As Kanrei, he dominated the shogunate government and led the Keicho branch of the family to its heyday, but his adoption of the three children triggered fights over the headship of the family, and after getting involved in the struggle, he was assassinated by a retainer (known as the Eisho Disturbance).
管領として幕政を牛耳り京兆家の全盛期を築くが、3人の養子を迎えたことで家督争いを引き起こし、自らもその争いに巻き込まれて家臣に暗殺された（永正の錯乱）。