The son of Koretada, Yoshichika, who became a maternal uncle to the emperor and held the title of Chunagon (vice-councilor of state), tried to manage the government of the Imperial Court, but Emperor Kazan was forced to abdicate to become a priest by the scheme of Kaneie; as a result Emperor Ichijo ascended to the throne, and Kaneie, who was a maternal relative to the emperor, became the Sessho regent.
外伯父となった伊尹の子の中納言義懐が朝政を執るが、花山天皇は兼家の策謀によって出家退位させられ、一条天皇が即位し、外戚の兼家が摂政となった。