Thereafter, in the period of the Emperor Kanmu, FUJIWARA no Tsugutada, the son of Toyonari who was Muchimaro's eldest son, and FUJIWARA no Korekimi, the son of FUJIWARA no Otomaro who was Muchimaro's third son, successively became minister of the right, whereby the power of Nanke was maintained.Thereafter, in the period of the Emperor Kanmu, FUJIWARA no Tsugutada, the son of Toyonari who was Muchimaro's eldest son, and FUJIWARA no Korekimi, the son of FUJIWARA no Otomaro who was Muchimaro's third son, successively became minister of the right, whereby the power of the Southern House of the Fujiwara clan was maintained.
祖の武智麻呂は藤原北家の藤原房前とともに、元正天皇朝～聖武天皇朝にかけて長屋王と政権を争ったが、神亀6年（729年）長屋王の変により政権を掌握し、藤原四兄弟たちと共に聖武朝で政権を主導した（藤原四子政権）が、天平9年（737年）の天然痘蔓延により他の兄弟とともに病没してしまう。