Wie trouwde met Minamoto No Junshi?

Fujiwara no Tadahira (藤原 忠平; 880 – 9 September 949) was a Japanese statesman, courtier and politician during the Heian period. He is also known as Teishin-Kō (貞信公) or Ko-ichijō Dono (小一条殿) or Ko-ichijō daijō-daijin.