Through Yoshitoshi's downfall in the Bunsho Coup during the Onin War, Yoshikado assumed the position of the kanrei (shogun's deputy) in February 1467 after the resignation of Masanaga HATAKEYAMA.
義敏は応仁の乱文正の政変で失脚し、応仁元年（1467年）正月に義廉は畠山政長の辞意により、後任として管領に就任。