His mother, Kimiko, was a sister of FUJIWARA no Shoshi and, after his father died in 1131, it is inferred that he was protected by the Kaninryu (Kanin branch).
母の公子は藤原璋子の姉妹であり、天承元年（1131年）に父が没した後は閑院流の庇護を受けていたと思われる。