Her maternal siblings were FUJIWARA no Michitaka, FUJIWARA no Michikane, and FUJIWARA no Michinaga who became Sessho in that order, and the wife of Emperor Reizei, Nyogo Fujiwara no Choshi (also pronounced as "Toko").
先後して摂関に在職した藤原道隆・藤原道兼・藤原道長、また冷泉天皇女御藤原超子は同母の兄弟。