Mr. Tachibana

A branch of the Otomo clan in Chikuzen from the Northern and Southern Courts to the Warring States period. Later, they became the lord of Yanagawa (Yanagawa) Domain in Chikugo. Sadatsugu, the son of the 6th Otomo clan leader Sadamune, based himself in Tachibanayama Castle in Chikuzen (Kasuya County, Fukuoka Prefecture) and called himself the Tachibana clan. Sadatsugu had no children, so his younger brother Munetada inherited the family headship. His descendant Akitoshi conspired with the Mori clan in 1568 (Eiroku 11) and plotted a rebellion against the Otomo clan, but was killed by Otomo Sorin. Sorin moved one of his clan members, Bekki Akitsura, to Tachibanayama Castle and had him defend it. Kantsurane adopted the son of Takahashi Shigetane (Joun). This was Tachibana Muneshige. Muneshige became the lord of Yanagawa Castle in 1587 (Tensho 15), and although his estate was temporarily confiscated after the Battle of Sekigahara, he returned to Yanagawa Castle in 1620 (Genwa 6). Since then, his descendants have inherited the title and in the Meiji period he became a count.

[Junichi Ueda]

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

南北朝から戦国時代にかけての筑前(ちくぜん)の大友氏支族。のちに筑後(ちくご)柳川（柳河）(やながわ)藩主となる。大友氏6代貞宗(さだむね)の子貞載(さだとし)は、筑前立花山城（福岡県糟屋(かすや)郡）に拠(よ)り立花氏を称した。貞載には子がなく、弟の宗匡(むねただ)が家督を継いだ。その子孫鑑載(あきとし)が1568年（永禄11）毛利氏に内応し大友氏に叛(はん)を謀り、大友宗麟(おおともそうりん)に討たれた。宗麟は一族中の戸次鑑連(べっきあきつら)を立花山城に移して、これを守らせた。鑑連は高橋鎮種(しげたね)（紹運(じょううん)）の子を養子とした。これが立花宗茂(むねしげ)である。宗茂は1587年（天正15）柳川城主となり、関ヶ原の戦いののち一時所領を没収されたが、1620年（元和6）柳川城に復帰した。以来、子孫世襲して明治には伯爵となった。

［上田純一］

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