Aoto-so

…Years of birth and death unknown. The Aoto clan originated from Aoto Manor in Kazusa Province, which was given to Oba Juro Chikago, a resident of Izu Province, as a reward for his service in the Jokyu War. At the age of 28, Fujitsuna served Hojo Tokiyori, and thereafter played an active role as a councilor and council chief, and held several dozen territories. …

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…生没年不詳。青砥氏は伊豆国住人大場十郎近郷が承久の乱の功による恩賞として賜った上総国青砥荘を本貫とする。藤綱は28歳のとき北条時頼に仕え，以後評定衆，評定頭人として活躍し，数十ヵ所の所領を知行した。…

※「青砥荘」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