Furthermore, Yoshinori implemented measures to increase his dominance over major Shugo (Military Governor) Daimyos by aggressively interfering in their family inheritance issues and by recommending his own trusted assistants, such as Mochiyo OUCHI and Sadamura AKAMATSU, as the heads of these families.
また義教は有力守護大名に対して、その家督継承に積極的に干渉することにより、大内持世や赤松貞村などの自身の腹心を当主に推し支配力を強める政策を行った。