One was to set up the practice of 'two empresses for one emperor,' by backing up the daughter of Michinaga, Shoshi, to be a wife of Emperor Ichijo, although the emperor already had a wife, Empress Teishi, and the other was to set up the second Imperial Prince Atsunari (later Emperor Goichijo), who was a grandchild (a son of his daughter) of Michinaga as the next Togu (Crown Prince), in spite of the fact that there was already an Imperial Prince Atsuyasu.
中宮定子がいるにも関わらず道長の娘・彰子を一条天皇の后妃に立てて「一帝二后」を実現させたこと、第一皇子の敦康親王がいるにも関わらず道長の外孫である第二皇子の敦成親王（後一条天皇）を次期東宮に擁立したこと。