Career
When Yoshifusa"s grandson was enthroned as Emperor Seiwa, Yoshifusa assumed the role of regent (sesshō) for the young monarch. He was the first sesshō in Japanese history who was not himself of imperial rank. And he was the first of a series of regents from the Fujiwara clan.
He was a minister during the reigns of Emperor Ninmyō, Emperor Montoku and Emperor Seiwa.
834 (Jōwa 1, 9th day of the 7th month): Sangi 835 (Jōwa 2): Gon-no-Chūnagon 840 (Jōwa 7): Chūnagon 842 (Jōwa 9): Dainagon 848 (Saikō 1, 1st month): Udaijin 857 (Saikō 4, 19th day of the 2nd month): Daijō Daijin 858 (Ten"an 2, 7th day of the 11th month): Sesshō for Emperor Seiwa. October 7, 872 (Jōgan 14, 2nd day of the 9th month): Yoshifusa died at the age of 69.
Yoshifusa"s brothers were Fujiwara no Nagayoshi, Fujiwara no Yoshisuke and Fujiwara no Yoshikado.