Then, FUJIWARA no Fuyutsugu who was one-year younger than Otsugu and who was from the Northern House of the Fujiwara clan was appointed by the Emperor Saga as Kurodo no to (Head Chamberlain) which was newly placed and played the central role of the politics and, as a result, Fuyutsugu passed Otsugu's political rank four years after the Kusuko Incident and the Northern House raised its head.
そして、1歳年下である藤原北家の藤原冬嗣が嵯峨天皇によって新設の蔵人頭に任命されて政治の中枢に立ち、薬子の変の4年後には官位の点で緒嗣を追い抜き、北家が台頭する事となる。