Thereafter, in the era of Emperor Kammu, FUJIWARA no Tsugutada, the son of Toyonari (Muchimaro's eldest son), and FUJIWARA no Korekimi, the son of FUJIWARA no Otomaro (Muchimaro's third son) successively became the minister of the right, whereby the power of the Southern House was maintained.
その後も桓武天皇朝において、武智麻呂の長男豊成の子藤原継縄と、三男藤原乙麻呂の子藤原是公が続いて右大臣となり、南家は勢力を維持した。