However, political rule by retired emperors who did not have marriage relationships with the Fujiwara clan started during the late Heian period, and as the focus of political activities shifted toward the military rule by the Minamoto clan and the Taira clan the Fujiwara clan gradually fell from power.
平安時代後期になると藤原氏と姻戚関係を持たない上皇による院政がはじまり、さらに源平両氏の武家政権と移行するにつれ藤原氏の権勢は後退する。