After serving as Umanosuke (Assistant Captain, Right Division of the Bureau of Horses) and Shonagon (Lesser Councilor of State), he was made Ushoben (Minor Controller of the Right) with the rank of Jugoinoge (Junior Fifth Rank, Lower Grade) in 991 when his half sister, Seishi, who had been under his protection since their father's death, entered into court as a bride of Crown Prince Okisada (later Emperor Sanjo).
右馬助・少納言を経て、父の死後に彼が庇護していた異母妹の娍子が東宮居貞親王（後の三条天皇）に入内した正暦2年（991年）には従五位下右少弁であった。