Sadaaki committed suicide with the last head of the family Takatoki and the members of the Hojo clan in the family temple of the Hojo clan, Tosho-ji Temple in Kamakura (Kamakura City).
貞顕は最後の当主高時と北条一門とともに北条氏の菩提寺である鎌倉・東勝寺(鎌倉市)で自刃した。