Katsumoto HOSOKAWA successively took the post of kanrei for 3 times, total of 23 years, and weakened the Hatakeyama clan linking up with Sozen (Mochitoyo) YAMANA.
細川勝元は3度にわたり計23年間も管領職を歴任し、山名宗全（持豊）と手を結び畠山氏を弱体化させた。