To his brothers and sisters he was known as the father-in-law of FUJIWARA no Hidehira of the Oshu-Fujwara clan; his siblings included FUJIWARA no Motonari, FUJIWARA no Takanori, FUJIWARA no Ieyori, and FUJIWARA no Nobutoki.
兄弟には奥州藤原氏の藤原秀衡の舅として知られた藤原基成をはじめ、藤原隆教、藤原家頼、藤原信説らがある。