Furthermore, the Kusuko Incident, a failed rebellion by FUJIWARA no Nakanari and his sister Kusuko who was a daughter of Tanetsugu and held power as naishi no tsukasa (a female palace attendant) for Emperor Heizei, as well as the rise of FUJIWARA no Fuyutsugu from Fujiwara Hokke who won trust of Emperor Saga and TACHIBANA no Kachiko, also led to the decline of Shikike.
また、嵯峨朝になると、種継の子で平城天皇の内侍司として権勢を握った藤原薬子とその兄藤原仲成が反乱を企てて断罪された薬子の変の発生に加え、嵯峨天皇・橘嘉智子の信頼を受けた北家の冬嗣の台頭も背景にある。