Munechika Ooka

…He originally took the surname Ooka. In the late Heian period, Ooka Munechika served Taira no Yorimori and ruled over Ooka Ranch. Among the Taira clan, Yorimori had close ties with the Minamoto clan, and perhaps because of this connection, Munechika became a vassal of the Kamakura clan, and his daughter (one theory says she was a sister) was taken as the second wife of Hojo Tokimasa. …

*Some of the terminology that refers to "Ooka Munechika" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…初め大岡姓を名のる。平安末期大岡宗親が平頼盛に仕えて大岡牧を支配した。頼盛は平家一族の中で源氏と親しい関係にあり，その因縁からか宗親は鎌倉御家人となり，宗親の娘(一説に姉妹)が北条時政の後妻に迎えられた。…

※「大岡宗親」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報