Sadaijin (Minister of the Left) FUJIWARA no Yorinaga was his cousin both on his paternal and maternal sides, so he acted as Keishi (household superintendent) and kinju (attendant) of Yorinaga.
左大臣藤原頼長とは父方・母方の双方で従兄弟同士の間柄であり、その関係から頼長の家司、近習として活動。