Yoshinori planed to consolidate the power of shogun and intervened in the succession to family headship of the Shiba, Hatakeyama, Yamana, Kyogoku, and Togashi clans in a high-handed manner and made those in his mind take over the clan.
義教は、将軍の権力強化をねらって、斯波氏、畠山氏、山名氏、京極氏、富樫氏の家督相続に強引に介入し、意中の者を家督に据えさせた。