His mother was Gyobukyo (Minister of Justice) FUJIWARA no Norikane's daughter, FUJIWARA no Noriko (nurse to Emperor Gotoba), and his sister was Shomeimoin MINAMOTO no Zaishi (Emperor Tsuchimikado's mother).
母は刑部卿藤原範兼の娘・藤原範子（後鳥羽天皇の乳母）、姉は承明門院源在子（土御門天皇の母）。