His father, Suketomo, who took part in the anti-government plan of Emperor Godaigo, was arrested by the Hojo clan and exiled to Sato Island in 1324 (Shochu Disturbance).
父・資朝は、元亨4年（1324年）、後醍醐天皇の倒幕計画に参画し、北条氏に捕らわれ、佐渡に配流された（正中の変）。