Yoshizumi was adopted by the 8th shogun Ashikaga Yoshimasa. He was installed by Hosokawa Masamoto as Seii Taishogun. He was stripped of the title in 1508 by the 10th shogun Ashikaga Yoshitane, who became shogun for a second period of time. Two of Yoshizumi'a sons would themselves become shoguns. Ashikaga Yoshiharu would hold nominal powers as the twelfth Muromachi shogun; and Ashikaga Yoshihide would assume nominal powers as the fourteenth shogun.