FUJIWARA no Saneie, FUJIWARA no Kinshi (Empress of Emperor Goshirakawa), FUJIWARA no Masaruko (Emperor Konoe/Empress of Emperor Nijo) were younger brothers of the same biological mother while, FUJIWARA no Sanemori and FUJIWARA no Kinhira were elder brothers of the same biological mother.
藤原実定・藤原忻子（後白河天皇中宮）・藤原多子（近衛天皇・二条天皇皇后）の同母弟、藤原実守・藤原公衡の同母兄。