, formerly , is the fourth daughter of
Emperor Shōwa and
Empress Kōjun. As such, she is the older sister of
Emperor Emeritus Akihito and paternal aunt of
Emperor Naruhito. She married
Takamasa Ikeda, a man from outside the imperial dynasty, on 10 October 1952; as a result, she gave up her imperial title and left the
Japanese Imperial Family, as required by law. Later, she served as the most sacred priestess (''saishu'') of the
Ise Grand Shrine
The , located in Ise, Mie Prefecture of Japan, is a Shinto shrine dedicated to the solar goddess Amaterasu Ōmikami and the grain goddess Toyouke-hime (Toyouke Omikami). Also known simply as , Ise Shrine is a shrine complex composed of many Shi ...
between 1988 and 2017. In April 2024 the former princess adopted Motohiro Nozu CEO of
Kabaya.
Biography
Princess Atsuko was born at the
Tokyo Imperial Palace
is the main residence of the Emperor of Japan. It is a large park-like area located in the Chiyoda, Chiyoda, Tokyo, Chiyoda district of the Chiyoda, Tokyo, Chiyoda ward of Tokyo and contains several buildings including the where the Emperor h ...
on 7 March 1931, her father is the
Emperor Showa (Hirohito), her mother is the
Empress Kōjun. Her childhood appellation was . She had three elder sisters, the
Princess Shigeko Teru-no-miya, the
Princess Sachiko Hisa-no-miya (died as a baby) and the
Princess Kazuko Taka-no-miya.
As with her elder two sisters, she was not raised by her biological parents, but by a succession of court ladies at a separate palace built for her and her elder sisters in the
Marunouchi
Marunouchi () is an area in Chiyoda, Tokyo, Chiyoda, Tokyo, Japan, located between Tokyo Station and the Kokyo, Imperial Palace. The name, meaning "inside the circle", derives from its location within the palace's outer moat. Marunouchi is the core ...
district of
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 ...
. She graduated from the
Gakushūin Peer's School, and was also tutored along with her siblings in
English language
English is a West Germanic language that developed in early medieval England and has since become a English as a lingua franca, global lingua franca. The namesake of the language is the Angles (tribe), Angles, one of the Germanic peoples th ...
by an American tutor,
Elizabeth Gray Vining, during the
Allied occupation of Japan
Japan was occupied and administered by the Allies of World War II from the surrender of the Empire of Japan on September 2, 1945, at the war's end until the Treaty of San Francisco took effect on April 28, 1952. The occupation, led by the ...
following
World War II
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 ...
. She graduated from Gakushuin University Women's College in March 1952.

On 10 October 1952, Princess Yori married , the eldest son of former
Marquis
A marquess (; ) is a nobleman of high hereditary rank in various European peerages and in those of some of their former colonies. The German-language equivalent is Markgraf (margrave). A woman with the rank of a marquess or the wife (or wido ...
Nobumasa Ikeda and a direct descendant of the last ''
daimyō
were powerful Japanese magnates, feudal lords who, from the 10th century to the early Meiji era, Meiji period in the middle 19th century, ruled most of Japan from their vast hereditary land holdings. They were subordinate to the shogun and no ...
'' of
Okayama Domain, whom she had met at a
Japanese tea ceremony
The Japanese tea ceremony (known as or lit. 'Hot water for tea') is a Culture of Japan, Japanese cultural activity involving the ceremonial preparation and presentation of , powdered green tea, the procedure of which is called .
The term "Japa ...
at
Kōraku-en gardens. The couple were engaged after only six months, but wedding plans had to be postponed due to the death of her grandmother
Empress Teimei in 1951 and subsequent period of mourning. Upon her marriage, Princess Yori became the second daughter of an emperor to relinquish her status as a member of the
Japanese imperial family and become a commoner upon marriage, in accordance with the 1947
Imperial Household Law. She also gave up an annual imperial allowance worth ¥650,000 ($1,800) at the time. The groom's father and the bride's mother, the Empress, were first cousins, making the couple second cousins.
The former princess relocated to
Okayama Prefecture
is a Prefectures of Japan, prefecture of Japan located in the Chūgoku region of Honshu. Okayama Prefecture has a population of 1,826,059 (1 February 2025) and has a geographic area of 7,114 Square kilometre, km2 (2,746 sq mi). Okayama Prefecture ...
, where her husband, a wealthy
cattle ranch
A ranch (from /Mexican Spanish) is an area of landscape, land, including various structures, given primarily to ranching, the practice of raising grazing livestock such as cattle and sheep. It is a subtype of farm. These terms are most often ap ...
er, served as director of the Ikeda Zoo outside of
Okayama city for over fifty years.
In 1965, she was hospitalized with
sepsis
Sepsis is a potentially life-threatening condition that arises when the body's response to infection causes injury to its own tissues and organs.
This initial stage of sepsis is followed by suppression of the immune system. Common signs and s ...
, which was a cause of great concern for the Imperial Family, as her elder sister
Shigeko Higashikuni had already died of
stomach cancer
Stomach cancer, also known as gastric cancer, is a malignant tumor of the stomach. It is a cancer that develops in the Gastric mucosa, lining of the stomach. Most cases of stomach cancers are gastric carcinomas, which can be divided into a numb ...
.
In October 1988, Ikeda succeeded her ailing elder sister,
Kazuko Takatsukasa
, formerly , was the third daughter of Emperor Shōwa and Empress Kōjun. She was an elder sister to Emperor Emeritus Akihito, and paternal aunt to Emperor Naruhito. She married Toshimichi Takatsukasa on 21 May 1950. As a result, she gave up ...
, as the most sacred priestess (''saishu'') of the
Ise Grand Shrine
The , located in Ise, Mie Prefecture of Japan, is a Shinto shrine dedicated to the solar goddess Amaterasu Ōmikami and the grain goddess Toyouke-hime (Toyouke Omikami). Also known simply as , Ise Shrine is a shrine complex composed of many Shi ...
. She served in that capacity until 19 June 2017, whereupon she was succeeded by her niece,
Sayako Kuroda
, formerly , is the youngest child and only daughter of Emperor Emeritus Akihito and Empress Emerita Michiko, and the younger sister of the current Emperor of Japan, Naruhito. She is an imperial Shinto priestess of the Ise Grand Shrine, curr ...
.
Japan Times
/ref> She also served as the Chairperson of the Association of Shinto Shrines
The is a religious administrative organisation that oversees about 80,000 Shinto shrines in Japan. These shrines take the Ise Grand Shrine as the foundation of their belief. It is the largest Shrine Shinto organization in existence.
Description ...
until June 2017.
The former princess adopted Motohiro Nozu CEO of Kabaya in April 2024. About 10 years earlier she and her husband were already having talks about adopting someone to continue the Ikeda line. However, the adoption does not solve the Ikeda family's survival because Motohiro and his wife have no children. Motohiro and his wife also changed their last name to Ikeda.
Honours
National honours
* Grand Cordon of the Order of the Precious Crown
The is a Japanese order, established on January 4, 1888 by Emperor Meiji of Japan. Since the Order of the Rising Sun at that time was an Order for men, it was established as an Order for women. Originally the order had five classes, but on Apr ...
Ancestry
Gallery
Image:Showa-family1941 12 7.jpg, Emperor Showa's family in 1941
Image:Emperor Showa's daughters.jpg, Emperor Shōwa's daughters
Image:2014-05-10 12 34 11 Flowering Cherry along New Jersey Route 29 in Hopewell Township, New Jersey.JPG, Japanese cherry blossoms, ''Prunus serrulata
''Prunus serrulata'' or Japanese cherry is a species of cherry tree that grows wild in Japan, China, Korea, Vietnam, Taiwan, Laos, Myanmar, Thailand, Cambodia, India, Bangladesh, Bhutan, Nepal, Sri Lanka, Pakistan, Philippines, Malaysia, Indones ...
'', designated imperial personal emblem of Atsuko
Image:Crown Prince Akihito and sisters1950-9.jpg, Princess Atsuko with her younger brother and sister, Prince Akihito and Princess Takako, in September 1950
Image:Princess Atsuko edit.jpg, Princess Atsuko in 1951
Image:Atsuko Ikeda cropped 1 Atsuko Ikeda 20091103.jpg, Atsuko Ikeda at the Ise Grand Shrine
The , located in Ise, Mie Prefecture of Japan, is a Shinto shrine dedicated to the solar goddess Amaterasu Ōmikami and the grain goddess Toyouke-hime (Toyouke Omikami). Also known simply as , Ise Shrine is a shrine complex composed of many Shi ...
in Ise City, Mie Prefecture
is a Prefectures of Japan, prefecture of Japan located in the Kansai region of Honshu. Mie Prefecture has a population of 1,781,948 () and has a geographic area of . Mie Prefecture is bordered by Gifu Prefecture to the north, Shiga Prefecture an ...
, in November 2009
Sources
* Foreign Affairs Association of Japan, ''The Japan Year Book '' (Tokyo: Kenkyusha Press, 1939–40, 1941–42, 1944–45, 1945–46, 1947–48).
* Takie Sugiyama Lebra, ''Above the Clouds: Status Culture of the Modern Japanese Nobility'' (Berkeley: University of California Press, 1992).
* "Hirohito's Daughter Wed: Princess Yori Married to Tokyo Commoner by Shinto Rites," ''New York Times'' 10 October 1952.
*
References
{{DEFAULTSORT:Ikeda, Atsuko
1931 births
Living people
20th-century Japanese people
21st-century Japanese people
20th-century Japanese women
21st-century Japanese women
Japanese Shintoists
20th-century Shintoists
21st-century Shintoists
People from Chiyoda, Tokyo
Ikeda clan
Kannushi
Grand Cordons (Imperial Family) of the Order of the Precious Crown
Children of Hirohito
Daughters of Japanese emperors