Taneyoshi wanted to install Zengyo, the biological child between his wife, who had become a priestess following the violent death of Sanetomo, and Yoriie, as Shogun but Mitora from Sekkan-ke (the families which produced the Regent and the Chief Adviser to the Emperor) was brought in to succeed the post of Shogun by the scheming Hojo clan which held the position of Shikken (shogunal regent); furthermore, Zengyo was murdered.
実朝の横死後に仏門に入っていた妻と頼家の子の禅暁の将軍擁立を望んだが、執権北条氏の画策で将軍後継者には摂関家から三寅が迎えられ、その上に禅暁も殺されてしまう。