The then Kozuke no kokushi (the provincial governor of Kozuke Province) FUJIWARA no Shigeie's (Minister of Justice) father-in-law was FUJIWARA no Ienari who deeply participated in the construction of Kongoshinin Gogan-ji Temple of the Emperor Toba and the Northern House of the Fujiwara clan, the Kazanin Family FUJIWARA no Tadamasa's uncle on his mother's side was also FUJIWARA no Ienari.
当時の上野国司藤原重家(刑部卿)の舅が鳥羽天皇御願寺金剛心院の造営に深く関与をした藤原家成であり、藤原氏藤原北家花山院家藤原忠雅の母の兄も藤原家成であった。