His younger sister, Chugu FUJIWARA no Anshi, entered Kokyu (the palace where the emperor's wife and concubines lived) of Emperor Murakami and gave birth to leading imperial princes, including Emperor Reizei, who had the title of Togu (crown prince), Imperial Prince Tamehira, and Emperor Enyu.
妹の中宮藤原安子が村上天皇の後宮に入り、東宮（皇太子）冷泉天皇、為平親王、円融天皇といった有力な皇子を生んでいる。