Kaneie's deceased elder brother FUJIWARA no Koretada was the maternal grandfather of Emperor Kazan, and Koretada's son Chunagon (vice-councilor of state) FUJIWARA no Yoshichika, who was accordingly a maternal uncle of Emperor Kazan, assisted the Emperor.
花山天皇の外祖父は兼家の亡兄の藤原伊尹で、伊尹の子の中納言藤原義懐が外叔父となり天皇を補佐していた。