In 1265, when his father transferred responsibility for the family to him, he proceeded to Kamakura and was appointed to a Hirubanshu as one of the dominant gokenins (immediate vassals of the shogunate in the Kamakura and Muromachi through Edo periods).
1265年、父から家督を譲られて鎌倉に赴き、有力御家人の一人として昼番衆に任じられた。