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:''This article is about the Tachibana (橘) clan of court nobles.　For the Tachibana (立花) samurai clan, see Tachibana clan (samurai).''
The 'Tachibana clan' was one of the four most powerful ''kuge'' (court nobility) families in Japan's Nara and early Heian periods. Members of the Tachibana family often held high court posts within the Daijō-kan (Ministry of State), most frequently ''Sadaijin'' (Minister of the Left). Like the other major families at court, they also constantly sought to increase and secure their power by marrying into the imperial family. However, as the Fujiwara clan gained power over the course of the 9th and 10th centuries, the Tachibana were eclipsed and eventually became scattered across the country. Though serving in high government posts outside the capital, they were thus denied the degree of power and influence within the court at Kyoto (Heian-kyō) which they once enjoyed. They likely bore no direct relation to the Tachibana clan of samurai which emerged in the 14th century.
The name of ''Tachibana'' was bestowed on Agata-no-Inukai no Michiyo by Empress Gemmei in 708. She was the wife of Prince Minu, a descendant of Emperor Bidatsu and mothered Princes Katsuragi and Sai. She later married Fujiwara no Fuhito and bore Kōmyōshi (Empress Kōmyō). In 736, Princes Katsuragi and Sai were given the surname ''Tachibana'', renouncing their imperial family membership. They became Tachibana no Moroe and Tachibana no Sai respectively.
Over the course of the Heian period, they engaged in countless struggles with the Fujiwara family for domination of court politics, and thus essentially for control of the nation; on a number of occasions this developed into outright violent conflict. One of these conflicts was the uprising of Fujiwara no Sumitomo in 939-941. Though the rebellion was ultimately suppressed, the Tachibana family was scattered in the process, and lost much of its power.
Tachibana no Kimiyori (877-941) was among those who pursued Sumitomo to Kyūshū; he settled there and established himself as an official representative of the court. He or his descendants likely gave their name to Tachibana castle, after which the later Tachibana clan of the 14th century onwards was named. Another branch family developed in Iyo province, becoming known as the Iyo Tachibana family. Tachibana Tōyasu, who executed Fujiwara no Sumitomo, was the progenitor of this branch; Kusunoki Masashige, a celebrated pro-Imperial commander of the 14th century, claimed descent from Tōyasu.

Contents

Significant members of the Tachibana clan

References

Significant members of the Tachibana clan

★ Inukai no Michiyo

★ Tachibana no Moroe (橘諸兄) - Son of Michiyo; also known as Katsuragi no Ō-kimi （葛城王）

★ Tachibana no Sai (橘佐為) - Son of Michiyo; also known as Sai no Ō-kimi （佐為王)

★ Muro no Ōkimi (牟漏女王) － Daughter of Michiyo; wife of Fujiwara no Fusazaki

★ Tachibana no Naramaro (橘奈良麻呂) － Eldest son of Moroe

★ Tachibana no Shimadamaro (橘島田麿) － Son of Naramaro

★ Tachibana no Kiyotomo (橘清友) － Son of Naramaro

★ Tachibana no Kachiko (橘嘉智子) － Daughter of Kiyotomo, Empress to Emperor Saga

★ Tachibana no Ujikimi (橘氏公) － Son of Kiyotomo

★ 橘岑継 － Son of Ujikimi

★ Tachibana no Hayanari (橘逸勢) － Poet, calligrapher; one of the Sanpitsu

★ Tachibana no Hiromi (橘広相) － Scholar, five generations from Moroe; Served Emperors Yōzei, Kōkō, and Uda

★ Tachibana no Kimisai (?)(橘公材) － Second son of Hiromi

★ Tachibana no Kimiyori (橘公頼) － Fifth son of Hiromi; ''Dazai Gonnosochi'' (a post akin to Governor of Kyūshū); fought Fujiwara no Sumitomo's younger brother Fujiwara no Suminori

★ Tachibana no Toshimichi (橘敏通) － Third son of Kimiyori; played an important role in fighting Fujiwara no Sumitomo and Suminori; lord of Chikugo province and founder of the Chikugo (Kyūshū) branch of the Tachibana

★ Senkan (千観) － Fourth son of Kimiyori; preacher of Jodo Shu (Pure Land Buddhism)

★ Tachibana no Yoshiyuki (橘善行) － Also known by the Buddhist name Shōkū; founder of Enkyō-ji

★ Zōga (蔵賀) － Lived on Tōnomine

★ Kōkei (皇慶) － Priest of Esoteric Buddhism

★ Tachibana no Nagayasu (橘永愷) － Poet; also known by Buddhist name Nōin

★ Tachibana no Michisada (橘道貞) － worked with Fujiwara no Michinaga

★ Ko-shikibu no Naishi (小式部内侍) － Poet; daughter of Michisada

★ Tachibana no Tamenaka (橘為仲) － Poet

★ Tachibana no Tōyasu (橘遠保) － Formerly of the Ochi clan, founder of the Iyo Tachibana branch; played an important role in fighting Fujiwara no Sumitomo

★ Tachibana no Tōshige (橘遠茂) － ''mokudai'' (governor) of Suruga; descendant of Tōyasu (Iyo branch)

★ Tachibana no Kiminaga (橘公長) － executioner of Taira no Munemori

★ Tachibana no Kiminari (橘公業) － Son of Kiminaga; founder of Kokajima clan

★ Tachibana no Narisue (橘成季) － Served Kujō Michiie

★ Minamoto no Hisanao (源久直) － Member of the Saga Genji line of the Minamoto clan; founder of Kamachi family from the Chikugo Tachibana branch

References

★ Most of this article's content is derived from the information on the Japanese Wikipedia.