Fujiwara, as an official title, was awarded to Kamatari upon the approach of death, and after his death, due partly to the fact that NAKATOMI no Kane, the Udaijin (minister of the right) and head of the Nakatomi clan, had been executed in the Jinshin no Ran War, the Kamatari Group temporarily faced a serious decline, although they had taken no part in the war.
藤原の姓は当初は死を目前とした鎌足に与えられ、鎌足の死後、中臣氏を率いた右大臣中臣金が壬申の乱で処刑された事もあって、乱とは無関係の鎌足流も一時衰亡の危機を迎えた。