He is considered to have served the direct descendant of Kawachi-Genji (Minamoto clan) as his forefathers had done and married a daughter of MINAMOTO no Tametomo (Chinzei Hachiro), the eighth son of MINAMOTO no Tameyoshi.
父祖に続き河内源氏の嫡流に臣従したと考えられ、源為義の八男源為朝（鎮西八郎）の娘を娶るなどした。