is a Japanese kin group of the

Sengoku period The was a period in Japanese history of near-constant civil war and social upheaval from 1467 to 1615. The Sengoku period was initiated by the Ōnin War in 1467 which collapsed the feudal system of Japan under the Ashikaga shogunate. Variou ...

. Papinot, Jacques Edmond Joseph. (1906). ''Dictionnaire d’histoire et de géographie du Japon''; Papinot, (2003)
"Isshiki," ''Nobiliare du Japon'', p. 16
retrieved 2013-5-25.

History

The clan claimed descent from the

Seiwa-Genji The is a line of the Japanese Minamoto clan that is descended from Emperor Seiwa, which is the most successful and powerful line of the clan. Many of the most famous Minamoto warriors, including Minamoto no Yoshiie, Minamoto no Yoritomo, the foun ...

. The clan was founded by

Ashikaga Kōshin Ashikaga (足利) may refer to: * Ashikaga clan (足利氏 ''Ashikaga-shi''), a Japanese samurai clan descended from the Minamoto clan; and that formed the basis of the eponymous shogunate ** Ashikaga shogunate (足利幕府 ''Ashikaga bakufu''), a ...

(died 1330) who is the son of

Ashikaga Yasuuji Ashikaga (足利) may refer to: * Ashikaga clan (足利氏 ''Ashikaga-shi''), a Japanese samurai clan descended from the Minamoto clan; and that formed the basis of the eponymous shogunate ** Ashikaga shogunate (足利幕府 ''Ashikaga bakufu''), ...

(1216-1270). Near the end of the 13th century, the Isshiki were established as head of

Isshiki Domain Isshiki (written: 一色) is a Japanese surname. Notable people with the surname include: *, Japanese manga artist *, Japanese actress *, Japanese samurai and ''daimyō'' *, Japanese samurai and ''daimyō'' Fictional characters: *Akane Isshiki, pr ...

Mikawa Province was an old province in the area that today forms the eastern half of Aichi Prefecture. Nussbaum, Louis-Frédéric. (2005). "''Mikawa''" in . Its abbreviated form name was . Mikawa bordered on Owari, Mino, Shinano, and Tōtōmi Provinces. M ...

; and the name dates from this time. The Isshiki held prominent offices in the bureaucracy of the

Ashikaga shogunate The , also known as the , was the feudal military government of Japan during the Muromachi period from 1336 to 1573.Nussbaum, Louis-Frédéric. (2005)"''Muromachi-jidai''"in ''Japan Encyclopedia'', p. 669. The Ashikaga shogunate was establis ...

. The Isshiki were one of four clans with the right to be head (''bettō'') of the ''

Samurai-dokoro The ''Samurai-dokoro'' (侍所 - Board of Retainers) was an office of the Kamakura and Muromachi shogunates. The role of the ''Samurai-dokoro'' was to take the leadership of ''gokenin'', the shogun's retainers, and to be in charge of the imprisonme ...

'' or war department. Later, the Isshiki were military governors of the province of

Tango Tango is a partner dance and social dance that originated in the 1880s along the Río de la Plata, the natural border between Argentina and Uruguay. The tango was born in the impoverished port areas of these countries as the result of a combina ...

since 1336. In 1575, Oda Nobunaga confirmed their

Tango Province was a province of Japan in the area of northern Kyoto Prefecture. Tango bordered on Tanba to the south, Tajima to the west, and Wakasa to the east. Its abbreviated form name was . It was also referred to as or . In terms of the Gokishichi ...

.Rowley, Gene. (2013)
''An Imperial Concubine's Tale,'' p. 27
The family lost its domains during the wars of the Sengoku period.

Heads

Isshiki Kimifuka Isshiki (written: 一色) is a Japanese surname. Notable people with the surname include: *, Japanese manga artist *, Japanese actress *, Japanese samurai and ''daimyō'' *, Japanese samurai and ''daimyō'' Fictional characters: *Akane Isshiki, pr ...

Isshiki Yoshiyori Isshiki (written: 一色) is a Japanese surname. Notable people with the surname include: *, Japanese manga artist *, Japanese actress *, Japanese samurai and ''daimyō'' *, Japanese samurai and ''daimyō'' Fictional characters: *Akane Isshiki, pr ...

Isshiki Yoshimichi was a Japanese samurai leader in the Sengoku period.一色義道 at ...

Isshiki Yoshisada , also known as Gorō, Yoshiari, Michinobu and Yoshitoshi, was a Japanese samurai leader in the Sengoku period. He was the tenth head of the Isshiki clan. He was the son of Isshiki Yoshimichi.Rowley, Gene. (2013)''An Imperial Concubine's Tale,' ...

Isshiki Noriuji Isshiki (written: 一色) is a Japanese surname. Notable people with the surname include: *, Japanese manga artist *, Japanese actress *, Japanese samurai and ''daimyō'' *, Japanese samurai and ''daimyō'' Fictional characters: *Akane Isshiki, pr ...

Notable vassals

* Inadome Sukehide *

Inadome Sukenao also known as Inadome Ichimu was a Japanese military engineer and commander of the Sengoku period. He served the Isshiki clan as a senior retainer and later he served Hosokawa Tadaoki. He was taught gunnery techniques by his grandfather Inad ...

Castles

* Takebeyama Castle (Yata Castle) * Yuminoki Castle

References

{{reflist Japanese clans Ashikaga clan