FUJIWARA no Koretada, FUJIWARA no Kanemichi, FUJIWARA no Kaneie, and FUJIWARA no Tamemitsu (all of whom were appointed Dajo-daijin (Chancellor of the Realm), and all but Tamemitsu were further appointed to Sekkan) were his older brothers, and FUJIWARA no Anshi, the Empress of Emperor Murakami, was his older sister.
藤原伊尹、藤原兼通、藤原兼家、藤原為光（いずれも太政大臣、為光を除く三人はさらに摂関を歴任）は兄、村上天皇の皇后藤原安子は姉。