Maternal siblings included Kanpaku Dajo Daijin (Regent and Chancellor of the Realm) FUJIWARA no Yorimichi (992-1074), Kanpaku Dajo Daijin FUJIWARA no Norimichi (996-1075), Emperor Sanjo's Chugu FUJIWARA no Kenshi (994-1027), Emperor Goichijo's Chugu FUJIWARA no Ishi (999-1036), and Emperor Gosuzaku's Empress FUJIWARA no Kishi (1007-1025).
同母の弟妹に、関白太政大臣藤原頼通（992-1074）・同藤原教通（996-1075）と、三条天皇中宮藤原妍子（994-1027）・後一条天皇中宮藤原威子（999-1036）・後朱雀天皇妃藤原嬉子（1007-1025）がいる。