Korean Royalty
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The House of Yi, also called the Yi dynasty (also transcribed as the Lee dynasty), was the royal family of the
Joseon dynasty Joseon ( ; ; also romanized as ''Chosun''), officially Great Joseon (), was a dynastic kingdom of Korea that existed for 505 years. It was founded by Taejo of Joseon in July 1392 and replaced by the Korean Empire in October 1897. The kingdom w ...
and later the imperial family of the
Korean Empire The Korean Empire, officially the Empire of Korea or Imperial Korea, was a Korean monarchical state proclaimed in October 1897 by King Gojong of the Joseon dynasty. The empire lasted until the Japanese annexation of Korea in August 1910. Dur ...
, descended from the Joseon founder
Yi Seong-gye Taejo (; 4 November 1335 – 27 June 1408), personal name Yi Seong-gye (), later Yi Dan (), was the founder and first monarch of the Joseon dynasty of Korea. After overthrowing the Goryeo dynasty, he ascended to the throne in 1392 and abdi ...
. All of his descendants are members of the
Jeonju Yi clan The Jeonju Yi clan () is a Korean clan with the surname Yi. Their ''bon-gwan'' is in Jeonju, North Jeolla Province. The clan includes the House of Yi that led Joseon and the Korean Empire. Their founder was . He was Minister of Works () durin ...
. After the
Japan–Korea Treaty of 1910 The Japan–Korea Treaty of 1910, also known as the Japan–Korea Annexation Treaty, was made by representatives of the Empire of Japan and the Korean Empire on 22 August 1910. In this treaty, Japan formally annexed Korea following the J ...
, in which the
Empire of Japan The Empire of Japan, also known as the Japanese Empire or Imperial Japan, was the Japanese nation state that existed from the Meiji Restoration on January 3, 1868, until the Constitution of Japan took effect on May 3, 1947. From Japan–Kor ...
annexed the
Korean Peninsula Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically divided at or near the 38th parallel between North Korea (Dem ...
, some members of the Jeonju Yi clan were incorporated into the
Imperial House of Japan The is the reigning dynasty of Japan, consisting of those members of the extended family of the reigning emperor of Japan who undertake official and public duties. Under the present constitution of Japan, the emperor is "the symbol of the State ...
and the Japanese peerage by the Japanese government. This lasted until 1947, just before the
Constitution of Japan The Constitution of Japan is the supreme law of Japan. Written primarily by American civilian officials during the occupation of Japan after World War II, it was adopted on 3 November 1946 and came into effect on 3 May 1947, succeeding the Meij ...
was promulgated. The treaty was nullified in the
Treaty on Basic Relations between Japan and the Republic of Korea The Treaty on Basic Relations Between Japan and the Republic of Korea ( Japanese: ; ) was signed on June 22, 1965. It established basic diplomatic relations between Japan and South Korea. Background As Korea was not a signatory state of the T ...
. With the Constitution succeeding to the Provisional Government, the descendants of the Imperial Family continue to be given preference and constitute a favored symbol in
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and t ...
. The July 2005 funeral of
Yi Ku Yi Ku (; December 29, 1931 July 16, 2005) was a Korean prince who was head of the House of Yi from 1970 until 2005. He was a grandson of Emperor Gojong of the Joseon dynasty. Through Kuni Asahiko his maternal great-grandfather, Ku was a sec ...
, former head of the royal household, attracted considerable media coverage.
Yi Seok Yi Seok (; born 3 August 1941) is a South Korean entrepreneur. He is a member of the House of Yi, the royal house of Joseon and Korean Empire. He is the 10th son of Prince Yi Kang, the fifth son of Emperor Gojong, and one of his concubines, L ...
also caught attention as of the 100th anniversary of Korean independence on March 1, 2019.


History


Early Era (15th century)

When
Taejo of Joseon Taejo (; 4 November 1335 – 27 June 1408), personal name Yi Seong-gye (), later Yi Dan (), was the founder and first monarch of the Joseon dynasty of Korea. After overthrowing the Goryeo dynasty, he ascended to the throne in 1392 and abdi ...
ascended to the throne in 1392, he continued to use the laws of
Goryeo Goryeo (; ) was a Korean state founded in 918, during a time of national division called the Later Three Kingdoms period, that unified and ruled the Korea, Korean Peninsula until the establishment of Joseon in 1392. Goryeo achieved what has b ...
, and the noble titles he gave to his sons, nephews, and sons-in-law were all "prince" (군). After the
coup d'état A coup d'état (; ; ), or simply a coup , is typically an illegal and overt attempt by a military organization or other government elites to unseat an incumbent leadership. A self-coup is said to take place when a leader, having come to powe ...
in 1398, the system of noble titles changed: "duke" for king's sons, "marquis" for royal descendants, and "earl" for officers of senior first rank. This system was abolished in 1401 to avoid "usurping" the existing title laws of the more powerful
Ming dynasty The Ming dynasty, officially the Great Ming, was an Dynasties of China, imperial dynasty of China that ruled from 1368 to 1644, following the collapse of the Mongol Empire, Mongol-led Yuan dynasty. The Ming was the last imperial dynasty of ...
. As of 1412,
Taejong of Joseon Taejong (; 16 May 1367 – 10 May 1422), personal name Yi Pangwŏn (), was the third monarch of the Joseon dynasty of Korea and the father of Sejong the Great. He was the fifth son of King Taejo, the founder of the dynasty. Before ascending ...
approved a new system for giving titles to the royalty: among the sons of a king, those who were born by the queen can acquire the title "grand prince" (대군), and the rest can be the "prince" (군); both princes are of senior first rank and their male descendants are as well insofar as their great-grandsons can retrieve official positions. According to the
Veritable Records of the Joseon Dynasty The ''Veritable Records of the Joseon Dynasty'', sometimes called ''sillok'' () for short, are state-compiled and published records, called Veritable Records, documenting the reigns of the kings of the Joseon dynasty in Korea. Kept from 1392 ...
, the title "prince" (군) was at first restricted to be given to sons or grandsons of kings, but these standards became looser over time. Generally, a royal eligible to be a prince could not receive the title automatically even if his rank raised him to the junior second rank. But such a hereditary title could be passed down to generations until it exceeds more than four generations (from the king). (King Gojong Year 02, Month 11, Day 1, Entry 1) Similar to male royals, female royals received titles according to their kinship to the kings. Daughters of the king and queen were called 공주 (''gongju''), girls born to other consorts and fathered by the king were called 옹주 (''ongju'') to differentiate, and some further distant female royalties also had different titles; in English all these titles are translated as "princess". If the above-mentioned females were stripped of titles due to various reasons, they would be referred to as a commoner; for instance, the eldest daughter of deposed
Yeonsangun of Joseon Yeonsangun or Prince Yeonsan (; 23 November 1476 – 20 November 1506), personal name Yi Yung (), was the 10th monarch of the Joseon, Joseon dynasty of Korea. Often considered the worst tyrant in Joseon's history and perhaps all History of Kor ...
was addressed as "Ku Mun-gyeong's wife" after 1506. Later, there were also so-called "Kim Se-ryung's wife" (former Princess Hyomyeong) and "Jeong's wife" (former
Princess Hwawan Princess Hwawan (; 9 March 1738 – 10 June 1808) was a Joseon princess and the ninth daughter of King Yeongjo of Joseon. Biography Princess Hwawan was born in 1738, and she received the title ''Hwawan'' in 1743. She was the ninth daughter of Kin ...
).


Middle Era

In 1469,
Seongjong of Joseon Seongjong (; 28 August 1457 – 29 January 1495), personal name Yi Hyeol (), was the ninth monarch of the Joseon, Joseon dynasty of Korea. Before succeeding his sickly uncle, Yejong of Joseon, King Yejong, he was known as Grand Prince Jalsan ( ...
ascended to the throne as the adopted heir to his uncle,
Yejong of Joseon Yejong (; 23 January 1450 – 9 January 1470), personal name Yi Hwang (), firstly titled Grand Prince Haeyang (), was the eighth monarch of the Joseon dynasty of Korea. His older brother was Crown Prince Uigyeong. He succeeded his father, Kin ...
. As of 1475, Seongjong asked the Ming dynasty government to ratify his biological father,
Crown Prince Uigyeong Crown Prince Uigyeong (; 12 October 1438 – 29 September 1457), personal name Yi Jang () and formerly called as Prince Dowon () was a Crown prince of the Korean Joseon Dynasty. He was the oldest son of Sejo of Joseon and Queen Jeonghui, also th ...
, to have a posthumous status as a king, and a
temple name Temple names are posthumous titles accorded to monarchs of the Sinosphere for the purpose of ancestor worship. The practice of honoring monarchs with temple names began during the Shang dynasty in China and had since been adopted by other dynas ...
"Deokjong" was made for the late crown prince. A similar event took place in 1568, when
Seonjo of Joseon Seonjo (; 6 December 1552 – 6 March 1608), personal name Yi Yeon (), was the 14th monarch of the Joseon dynasty of Korea. He was known for promoting Confucianism and attempting reforms at the beginning of his reign. However, he later gained ...
succeeded the throne as the adopted heir to his half-uncle,
Myeongjong of Joseon Myeongjong (; 13 July 1534 – 12 August 1567), personal name Yi Hwan (), was the 13th monarch of the Joseon dynasty of Korea. He was the second son of King Jungjong, born to Queen Munjeong. He ascended to the throne in 1545 at the age ...
. Based on official advice, instead of giving his biological father (Prince Deokheung) a title of "king" posthumously, Seonjo created a new title for him in 1569, ''Deokheung Daewongun'' (덕흥대원군), as an honor to the late prince. This action had a precedent in 1066, when
Emperor Yingzong of Song Emperor Yingzong of Song (16 February 1032 – 25 January 1067), personal name Zhao Shu, was the fifth emperor of the Song dynasty of China. His original personal name was Zhao Zongshi but it was changed to "Zhao Shu" in 1062 by imperial decr ...
promoted his biological father (Zhao Yunrang) without posthumously elevating him to the status of emperor. Following the precedent by Seonjo, three more royals were designated as ''Daewongun'' throughout the Joseon history:
Prince Jeongwon Wonjong of Joseon or Prince Jeongwon (2 August 1580 – 2 February 1619) was a prince during the Joseon dynasty. He was a son by a concubine to the Joseon dynasty's 14th monarch, king Seonjo, and half brother of king Gwanghaegun and father of ...
(1623, but later promoted to "King Wonjong" as of 1634"); Yi Kwang (
Jeongye Daewongun Jeongye Daewongun (; 21 March 1785 – 2 November 1841; ) was a member of the Korean Joseon dynasty as the biological father of King Cheoljong of Joseon. His personal name was Yi Gwang (), but he was also known as Kwae-deuk () or Hae-dong (). ...
, 1849); and
Prince Heungseon Heungseon Daewongun (; 24 January 1821 – 22 February 1898) was the title of Yi Ha-eung, the regent of Joseon during the minority of Emperor Gojong in the 1860s. Until his death, he was a key political figure of late Joseon Korea. He was also ca ...
(1864). In 1650,
Hyojong of Joseon Hyojong (; 3 July 1619 – 23 June 1659), personal name Yi Ho (), was the 17th monarch of the Joseon, Joseon dynasty of Korea. He is best known for his plan for an expedition to help China's Ming Dynasty fight against China's Qing dynasty, and ...
, as requested by the prince regent
Dorgon Dorgon (17 November 1612 – 31 December 1650) was a Manchu prince and regent of the early Qing dynasty. Born in the House of Aisin-Gioro as the 14th son of Nurhaci (the founder of the Later Jin dynasty, which was the predecessor of the Qi ...
of the
Qing dynasty The Qing dynasty ( ), officially the Great Qing, was a Manchu-led Dynasties of China, imperial dynasty of China and an early modern empire in East Asia. The last imperial dynasty in Chinese history, the Qing dynasty was preceded by the ...
, adopted a fourth cousin once removed as his daughter. Unusually, he gave her title,
Princess Uisun Princess Uisun (1635–1662; birth name Yi Ae-suk) was a Joseon Royal Family member who became the adopted daughter of Hyojong of Joseon and Queen Inseon, so she could marry the Aisin Gioro prince Dorgon and later, prince Bolo. Biography Back ...
, before she was about to leave Joseon to marry Dorgon.


Gojong and Sunjong / Korean Empire (1863–1896, 1897–1910)

After the
Meiji Restoration The , referred to at the time as the , and also known as the Meiji Renovation, Revolution, Regeneration, Reform, or Renewal, was a political event that restored Imperial House of Japan, imperial rule to Japan in 1868 under Emperor Meiji. Althoug ...
, Japan acquired Western military technology. With this power, it forced Joseon to sign the
Japan–Korea Treaty of 1876 The Japan–Korea Treaty of 1876 (also known as the Japan–Korea Treaty of Amity in Japan and the Treaty of Ganghwa Island in Korea) was made between representatives of the Empire of Japan and the Joseon, Kingdom of Joseon in 1876.Chung, Young ...
after the
Ganghwa Island incident The Ganghwa Island incident or the Japanese Battle of Ganghwa ( ''Unyo-ho sageon'' meaning "'' Un'yō'' incident"; ''Kōka-tō jiken'') was an armed clash between the Joseon dynasty of Korea and Japan which occurred in the vicinity of Ganghwa ...
. It established a strong economic presence on the peninsula, heralding the beginning of Japanese imperial expansion in
East Asia East Asia is a geocultural region of Asia. It includes China, Japan, Mongolia, North Korea, South Korea, and Taiwan, plus two special administrative regions of China, Hong Kong and Macau. The economies of Economy of China, China, Economy of Ja ...
. In the 19th century tensions mounted between
China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...
and
Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
, culminating in the
First Sino-Japanese War The First Sino-Japanese War (25 July 189417 April 1895), or the First China–Japan War, was a conflict between the Qing dynasty of China and the Empire of Japan primarily over influence in Joseon, Korea. In Chinese it is commonly known as th ...
; much of this war was fought on the
Korean Peninsula Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically divided at or near the 38th parallel between North Korea (Dem ...
. The Chinese defeat in the 1894 war resulted in the
Treaty of Shimonoseki The , also known as the Treaty of Maguan () in China or the in Japan, was signed at the hotel in Shimonoseki, Japan, on April 17, 1895, between the Empire of Japan and Qing China. It was a treaty that ended the First Sino-Japanese War, ...
, which officially guaranteed Korea's independence from China. However, the treaty effectively granted Japan direct control over Korean politics. The Joseon court, pressured by encroachment from larger powers, tried to reinforce national integrity and declared the
Korean Empire The Korean Empire, officially the Empire of Korea or Imperial Korea, was a Korean monarchical state proclaimed in October 1897 by King Gojong of the Joseon dynasty. The empire lasted until the Japanese annexation of Korea in August 1910. Dur ...
in 1897. King
Gojong of Korea Gojong (; 8 September 1852 – 21 January 1919), personal name Yi Myeongbok (), later Yi Hui (), also known as the Gwangmu Emperor (), was the penultimate List of monarchs of Korea, Korean monarch. He ruled Korea for 43 years, from 1864 to 19 ...
assumed the title of Emperor in order to assert Korea's independence; he gave himself the rank of the leaders of China and Japan. In addition, Korea sought modern military technology from other foreign powers, especially
Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
, in order to fend off the Japanese. Technically, 1895 marks the end of the Joseon period, as the official name of the state was changed. But the dynasty continued, although Japan intervened in its affairs. For example, the 1895 assassination of the queen consort,
Queen Min Empress Myeongseong (; 17 November 1851 – 8 October 1895) was the official wife of Gojong, the 26th king of Joseon and the first emperor of the Korean Empire. During her lifetime, she was known by the name Queen Min (). After the founding o ...
, is believed to have been orchestrated by Japanese general
Miura Gorō Viscount was a lieutenant general in the early Imperial Japanese Army; he is notable for orchestrating the murder of Queen Min of Korea in 1895. Biography Miura was born in Hagi in Chōshū Domain (modern Yamaguchi Prefecture), to a ''s ...
. The queen had great influence on politics during the reign of her husband, and she tried to maintain the neutrality of the country by accepting the offers from the
Russian Empire The Russian Empire was an empire that spanned most of northern Eurasia from its establishment in November 1721 until the proclamation of the Russian Republic in September 1917. At its height in the late 19th century, it covered about , roughl ...
, allowing the latter to have greater influence. After the death of the queen, the emperor honored her by posthumously promoting her status to empress (
Empress Myeongseong Empress Myeongseong (; 17 November 1851 – 8 October 1895) was the official wife of Gojong, the 26th king of Joseon and the first emperor of the Korean Empire. During her lifetime, she was known by the name Queen Min (). After the founding o ...
). As an emperor, Gojong granted higher titles to some of his close relatives, and so did his successor
Sunjong of Korea Sunjong (; 25 March 1874 – 24 April 1926), personal name Yi Cheok (), also known as the Yunghui Emperor (), was the last Korean monarch. He ruled from 1907 to 1910 as the second and last emperor of the Korean Empire. Sunjong was elevated to ...
. In 1900, Gojong designated his younger son
Yi Kang Yi Kang, Prince Imperial Ui (; 30 March 1877 – 15 August 1955), also known as Prince Uihwa (1891–1900) or King Ui (1900–1955) was the second son of Emperor Gojong of Korea and his concubine, Lady Jang, who was a court lady-in-waiting. I ...
as Prince Imperial Ui (의친왕) and
Yi Un Yi Un (; 20 October 1897 – 1 May 1970) was the 28th Head of the Korean Imperial House, an Imperial Japanese Army general and the last Imperial Crown Prince of the Korean Empire. Before becoming the heir apparent to Sunjong of Korea, who bec ...
as Prince Imperial Yeong (영친왕). Yi Seon, their older half brother who died young in 1880, was posthumously designated in 1907 as Prince Imperial Wan (완친왕). Gojong designated his (biological) elder brother Yi Jae-myeon as
Prince Imperial Heung Prince Imperial Heung (, 22 August 1845 – 9 September 1912) was a prince of the Joseon dynasty and of the Korean Empire. He was the son of Heungseon Daewongun and the elder brother of Emperor Gojong of Korea. By birth, his original name was Yi ...
(흥친왕) in 1910. After a long-term process of controlling the
puppet state A puppet state, puppet régime, puppet government or dummy government is a State (polity), state that is ''de jure'' independent but ''de facto'' completely dependent upon an outside Power (international relations), power and subject to its ord ...
, on 22 August 1910, Japan annexed the Korean peninsula effectively ended rule by the House of Yi, forcing the nation to accede to the
Japan–Korea Treaty of 1910 The Japan–Korea Treaty of 1910, also known as the Japan–Korea Annexation Treaty, was made by representatives of the Empire of Japan and the Korean Empire on 22 August 1910. In this treaty, Japan formally annexed Korea following the J ...
. According to the treaty, some of the members of Yi family were incorporated into the or made . The Korean nobility titles granted by Japan in 1910, listing only those from
Jeonju Yi clan The Jeonju Yi clan () is a Korean clan with the surname Yi. Their ''bon-gwan'' is in Jeonju, North Jeolla Province. The clan includes the House of Yi that led Joseon and the Korean Empire. Their founder was . He was Minister of Works () durin ...
, are as follows:


Under Japanese colonial rule

Emperor Gojong had nine sons, but only three princes who survived to adulthood: the second son, Crown Prince Yi Cheok; the fifth son,
Yi Kang Yi Kang, Prince Imperial Ui (; 30 March 1877 – 15 August 1955), also known as Prince Uihwa (1891–1900) or King Ui (1900–1955) was the second son of Emperor Gojong of Korea and his concubine, Lady Jang, who was a court lady-in-waiting. I ...
, and the seventh son,
Yi Un Yi Un (; 20 October 1897 – 1 May 1970) was the 28th Head of the Korean Imperial House, an Imperial Japanese Army general and the last Imperial Crown Prince of the Korean Empire. Before becoming the heir apparent to Sunjong of Korea, who bec ...
. The Crown Prince, Yi Cheok, became
Emperor Sunjong Sunjong (; 25 March 1874 – 24 April 1926), personal name Yi Cheok (), also known as the Yunghui Emperor (), was the last Korean monarch. He ruled from 1907 to 1910 as the second and last emperor of the Korean Empire. Sunjong was elevated to ...
, the last monarch of the
Korean Empire The Korean Empire, officially the Empire of Korea or Imperial Korea, was a Korean monarchical state proclaimed in October 1897 by King Gojong of the Joseon dynasty. The empire lasted until the Japanese annexation of Korea in August 1910. Dur ...
. Since Emperor Sunjong never had issue, his younger brother, Yi Un, the Prince Imperial Yeong became the new Imperial Crown Prince.
Yi Kang Yi Kang, Prince Imperial Ui (; 30 March 1877 – 15 August 1955), also known as Prince Uihwa (1891–1900) or King Ui (1900–1955) was the second son of Emperor Gojong of Korea and his concubine, Lady Jang, who was a court lady-in-waiting. I ...
(Prince Imperial Ui) might have taken the position due to his seniority but was passed over - due to the low status of Yi Kang's biological mother, Lady Chang, as well as the notorious fame of Yi Kang himself known not only domestically but also internationally.《매천야록》卷之五·隆熙元年丁未第2條 Yi Kang fathered 13 sons and 9 daughters by 14 mistresses; the number can be different based on difference sources. With an extremely wide range of historical evaluations over him — womanizer, as well as a behind-the-scene leader of the independence movement — the Japanese authorities limited the activities of the prince throughout the occupation.
Emperor Sunjong Sunjong (; 25 March 1874 – 24 April 1926), personal name Yi Cheok (), also known as the Yunghui Emperor (), was the last Korean monarch. He ruled from 1907 to 1910 as the second and last emperor of the Korean Empire. Sunjong was elevated to ...
died in 1926, Crown Prince Yi Un was called "King Yi", a nominal title because the country had already lost its sovereignty to
Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
. Yi Un married a Japanese princess, Princess Masako of Nashimoto, who was later known as
Yi Bangja Yi Bangja, Crown Princess of Korea (; 4 November 1901 – 30 April 1989) was the wife of Crown Prince Euimin, the last Crown Prince of the Korean Empire. She was born as , a member of the Japanese Imperial Family. Birth Born Princess Masak ...
, a family member of the
shinnōke was the collective name for the four cadet branches of the Imperial House of Japan, which were until 1947 entitled to provide a successor to the Chrysanthemum Throne if the main line failed to produce an heir. The heads of these royal house ...
(cadet branch from the
Imperial House of Japan The is the reigning dynasty of Japan, consisting of those members of the extended family of the reigning emperor of Japan who undertake official and public duties. Under the present constitution of Japan, the emperor is "the symbol of the State ...
). After they married, Princess Masako gave birth to Yi Jin in 1921 (died young) and
Yi Ku Yi Ku (; December 29, 1931 July 16, 2005) was a Korean prince who was head of the House of Yi from 1970 until 2005. He was a grandson of Emperor Gojong of the Joseon dynasty. Through Kuni Asahiko his maternal great-grandfather, Ku was a sec ...
in 1931. Many members of the Korean imperial family lived in Japan during colonial rule. The last princess of Korea Deokhye, was taken to Japan at a young age, she later married the Japanese count and politician
Sō Takeyuki Count was a Japanese aristocrat, academic and poet. He was the count of the island Tsushima from 1923 to 1985. He was the husband of Princess Deokhye, the last princess of the Korean Empire, and served as a member of the House of Peers. Li ...
. During the
Second World War World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, princes of the Korean imperial family served as officers of the
Imperial Japanese Army The Imperial Japanese Army (IJA; , ''Dai-Nippon Teikoku Rikugun'', "Army of the Greater Japanese Empire") was the principal ground force of the Empire of Japan from 1871 to 1945. It played a central role in Japan’s rapid modernization during th ...
. Crown Prince Yi Un achieved the rank of Lieutenant General, commanded Japanese forces in China and became a member of the
Supreme War Council The Supreme War Council was a central command based in Versailles that coordinated the military strategy of the principal Allies of World War I: Britain, France, Italy, the United States, and Japan. It was founded in 1917 after the Russian Revolu ...
. Prince
Yi Geon Colonel Prince Yi Geon (October 28, 1909 – December 21, 1990), also Ri Ken and , was a Korean prince and a cavalry officer in the Imperial Japanese Army during World War II. The first son of Prince Yi Kang of Korean Empire, Korea by Lady Jeon ...
, the first son of Yi Kang, served as a cavalry officer, achieved the rank of Colonel at the end of the war and lived the remainder of his life in Japan. Prince
Yi U Colonel Prince Yi U (; 15 November 1912 – 7 August 1945) was a member of the imperial family of Korea as a prince, the 4th head of Unhyeon Palace, and a lieutenant colonel in the Imperial Japanese Army during World War II. He was kill ...
, the second son of Yi Kang, served as a
General Staff Officer A military staff or general staff (also referred to as army staff, navy staff, or air staff within the individual services) is a group of officers, Enlisted rank, enlisted, and civilian staff who serve the commanding officer, commander of a ...
with the rank of Lieutenant Colonel when he was killed in the
atomic bombing of Hiroshima On 6 and 9 August 1945, the United States detonated two atomic bombs over the Japanese cities of Hiroshima and Nagasaki, respectively, during World War II. The aerial bombings killed between 150,000 and 246,000 people, most of whom were civil ...
.


Post-liberation

After Korea's liberation in 1945, President
Syngman Rhee Syngman Rhee (; 26 March 1875 – 19 July 1965), also known by his art name Unam (), was a South Korean politician who served as the first president of South Korea from 1948 to 1960. Rhee was also the first and last president of the Provisiona ...
suppressed the imperial family, in order to prevent the restoration of the monarchy, as he feared that its return would challenge his emerging authority as the new republic's founding father. (Ironically Rhee himself was of the House of Yi; Rhee's family traced its lineage back to King
Taejong of Joseon Taejong (; 16 May 1367 – 10 May 1422), personal name Yi Pangwŏn (), was the third monarch of the Joseon dynasty of Korea and the father of Sejong the Great. He was the fifth son of King Taejo, the founder of the dynasty. Before ascending ...
, and was a 16th-generation descendant of
Grand Prince Yangnyeong Grand Prince Yangnyeong (; 1394 – 8 October 1462) was the former Crown Prince of the Korean Joseon Dynasty. He was the first son of King Taejong and his wife, Queen Wongyeong. Yangnyeong was the elder brother of Sejong the Great, and an ance ...
.) Rhee seized and nationalized most of the family's properties, and the imperial family was also blamed on being responsible for the "collapse of the nation". According to the prince's 11th son,
Yi Seok Yi Seok (; born 3 August 1941) is a South Korean entrepreneur. He is a member of the House of Yi, the royal house of Joseon and Korean Empire. He is the 10th son of Prince Yi Kang, the fifth son of Emperor Gojong, and one of his concubines, L ...
, his mother, Hong Chongsun, was forced to sell noodles as a street vendor to make a living. Stripped of most of their wealth and authority, some family members fled to the
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
and
Latin America Latin America is the cultural region of the Americas where Romance languages are predominantly spoken, primarily Spanish language, Spanish and Portuguese language, Portuguese. Latin America is defined according to cultural identity, not geogr ...
, known descendants reside in New Jersey and New York. For instance, Amy Lee (
Yi Haegyeong Yi Hae-gyeong (이해경, 李海瓊; born 1930) is the 5th daughter of Prince Yi Kang. Yi is the granddaughter of Emperor Gojong of the Korean Empire who reigned from 1863 to 1907. She resides in New York City since 1956, working in Columbia Un ...
), the fifth daughter of Yi Kang, migrated to the United States in 1956 and worked for 27 years as a librarian at
Columbia University Columbia University in the City of New York, commonly referred to as Columbia University, is a Private university, private Ivy League research university in New York City. Established in 1754 as King's College on the grounds of Trinity Churc ...
in New York City. In September, 2012, she was 82 years old and described as "one of the last survivors of the Korean royal court". Among Prince Yi Kang's surviving four sons and seven daughters, four lost touch with the family after they left for the
United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
. The other family members held an ancestral ritual twice a year for Prince Yi Kang, but usually only two or three of the 11 surviving siblings attended the ceremonies. The
Jeonju Lee Royal Family Association The Jeonju Lee Royal Family Association () is a family association based in South Korea founded by the Jeonju Yi clan, Jeonju Yi (Lee) clan, the household of Joseon and the Korean Empire, which previously ruled Korea. The association originated f ...
was founded in 1922 by
Prince Imperial Ui Yi Kang, Prince Imperial Ui (; 30 March 1877 – 15 August 1955), also known as Prince Uihwa (1891–1900) or King Ui (1900–1955) was the second son of Emperor Gojong of Korea and his concubine, Lady Jang, who was a court lady-in-waiting. In ...
, and later registered in South Korea as of 1957, with the members consist of the descendants of the royal family from various cadet branches of the clan. It was only in 1963 that a new president,
Park Chung Hee Park Chung Hee (; ; November14, 1917October26, 1979) was a South Korean politician and army officer who served as the third president of South Korea from 1962 after he seized power in the May 16 coup of 1961 until Assassination of Park Chung ...
, allowed some of the imperial family members, including
Princess Deokhye Princess Deokhye of Korea (; Japanese: 徳恵姫, ''Tokue-hime''; 25 May 191221 April 1989) was the last princess of the Korean royal family. She was born on 25 May 1912, at Changdeok Palace, in Seoul, as the youngest daughter of Emperor Go ...
, to return to Korea. However, they could only stay at Nakseon Hall, a small residence in a corner of
Changdeokgung Changdeokgung () is a former royal palace in Seoul, South Korea. A UNESCO World Heritage Site and a Historic Sites (South Korea), Historic Site of South Korea, it is among the best preserved of all Korean palaces. It and its neighboring palace Cha ...
in Seoul; the place was previously reserved for widowed queen/empress dowagers. Yi Un also became the director of the Jeonju Lee Royal Family Association, on 29 July 1966; the title would later pass down to his son in 1973. Yi Un died seven years later, in 1970, after a long illness resulting from strokes. Yi Un's son,
Yi Ku Yi Ku (; December 29, 1931 July 16, 2005) was a Korean prince who was head of the House of Yi from 1970 until 2005. He was a grandson of Emperor Gojong of the Joseon dynasty. Through Kuni Asahiko his maternal great-grandfather, Ku was a sec ...
, was forced by other family members to divorce his American wife,
Julia Mullock Julia Mullock (March 18, 1927 – November 26, 2017) was an American member of the former imperial family of Korea through her marriage to Yi Ku. However, her status within the imperial family is disputed as the two were not married in accorda ...
, in 1982 due to her sterility (the couple, however, had an adopted daughter). In 1998, it was reported that Yi Kang's eighth son died alone in a social center in eastern
Seoul Seoul, officially Seoul Special Metropolitan City, is the capital city, capital and largest city of South Korea. The broader Seoul Metropolitan Area, encompassing Seoul, Gyeonggi Province and Incheon, emerged as the world's List of cities b ...
. Yi Seok, as mentioned above, became a lecturer at the
Jeonju University Jeonju University (JJ) is a private Christian university in South Korea. The campus is located in 1200 Hyoja-dong, Wansan-gu, Jeonju, Jeollabuk-do. History Jeonju University was founded on January 9, 1964, as Jeonju Youngsaeng College (an eve ...
as of 2005. A series of business failures left Yi Ku out of support, and he died alone at the
Grand Prince Hotel Akasaka The was an upscale hotel in Chiyoda, Tokyo, Japan. The site of the former hotel is now the location of a mixed-use development named Tokyo Garden Terrace Kioicho. A design of Japanese architect Kenzo Tange, the hotel was well known for its "d ...
in
Tokyo Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...
on July 16, 2005. Prior to his death,
Jeonju Lee Royal Family Association The Jeonju Lee Royal Family Association () is a family association based in South Korea founded by the Jeonju Yi clan, Jeonju Yi (Lee) clan, the household of Joseon and the Korean Empire, which previously ruled Korea. The association originated f ...
had to designate an heir to succeed him. Within the descendants of
Prince Imperial Ui Yi Kang, Prince Imperial Ui (; 30 March 1877 – 15 August 1955), also known as Prince Uihwa (1891–1900) or King Ui (1900–1955) was the second son of Emperor Gojong of Korea and his concubine, Lady Jang, who was a court lady-in-waiting. In ...
, came from the most senior line as the heir of Sadonggung Palace; however, he already being the supposed heir to Sadonggung Palace making him not to be chosen, and his younger first cousin,
Yi Won Yi Won (; born Yi Sang-Hyeob; 23 September 1962) is a great-grandson of Gojong of Korea and one of several who claim to be current head of the House of Yi. Biography Yi Won was born as the eldest son of Yi Gap, the 9th son of Prince Yi Kan ...
, instead became the
Yi Ku Yi Ku (; December 29, 1931 July 16, 2005) was a Korean prince who was head of the House of Yi from 1970 until 2005. He was a grandson of Emperor Gojong of the Joseon dynasty. Through Kuni Asahiko his maternal great-grandfather, Ku was a sec ...
's successor and the status was confirmed by the association as of 22 July 2005. Although, the posthumous adoption would be invalid by present Korean Law and is only with traditional significance. After the death of Yi Ku, a dispute about the head of the royal family occurred.
Yi Hae-won Yi Hae-won (; 24 April 1919 – 8 February 2020), also Lee Hae-won, was a member of the House of Yi, the royal family of Joseon and the Korean Empire. Yi was considered a pretender to the throne until her death at the age of 100 in her house in ...
, second daughter of Yi Kang and a half-aunt of Yi Won, also made a counter-claim as the "Empress of Korea" in a private ceremony organized by her followers in a hotel room. She was enthroned as symbolic monarch of Korea on 29 September 2006 by a group called "Korean Imperial Family Association". She laid claim to the title of Empress of Korea and declared the restoration of Imperial House in her own succession ceremony in a hotel room. The private enthronement was not approved or supported by Korean politics. Yi Hae-won eventually died on 8 February 2020, aged 100. Meanwhile, in 2005–06,
Yi Seok Yi Seok (; born 3 August 1941) is a South Korean entrepreneur. He is a member of the House of Yi, the royal house of Joseon and Korean Empire. He is the 10th son of Prince Yi Kang, the fifth son of Emperor Gojong, and one of his concubines, L ...
, the 10th son of Yi Kang and a half-uncle of
Yi Won Yi Won (; born Yi Sang-Hyeob; 23 September 1962) is a great-grandson of Gojong of Korea and one of several who claim to be current head of the House of Yi. Biography Yi Won was born as the eldest son of Yi Gap, the 9th son of Prince Yi Kan ...
, claimed that he was officially named heir apparent as he lateCrown Princess
Yi Bangja Yi Bangja, Crown Princess of Korea (; 4 November 1901 – 30 April 1989) was the wife of Crown Prince Euimin, the last Crown Prince of the Korean Empire. She was born as , a member of the Japanese Imperial Family. Birth Born Princess Masak ...
(the mother of Yi Ku and the wife of
Yi Un Yi Un (; 20 October 1897 – 1 May 1970) was the 28th Head of the Korean Imperial House, an Imperial Japanese Army general and the last Imperial Crown Prince of the Korean Empire. Before becoming the heir apparent to Sunjong of Korea, who bec ...
) wrote a will, naming him as the "first successor”. As such, Yi Seok is referred as "king," "prince," and/or "last pretender" by some articles from mainstream media. Later, American Internet entrepreneur Andrew Lee, accepted a nomination by Yi Seok, on 6 October 2018, to become the "Crown Prince" of Korea.


Family tree

– – – – – – - The dashed lines denote the adoptions


Notes


References

, - {{DEFAULTSORT:House of Yi Korean royalty Korean Empire