Michinaga named Prince Atsuakira Deputy Retired Emperor (title was Sho-Ichijoin), and he treated him favorably by arranging his daughter, FUJIWARA no Kanshi/Hiroko, to marry him.
道長は敦明親王を准太上天皇とし（院号は小一条院）、さらに娘の藤原寛子を嫁させ優遇した。