Another record states that the Ando clan, the Gozoku (local ruling family) in the Tsugaru region, was appointed as an Ezo Kanrei (or Ezo Daikan (local governor)) by the Hojo clan, the regent of the Kamakura bakufu, and that it controlled these three Ezo groups in the Kamakura period.
また、鎌倉時代には津軽地方の豪族である安東氏が、鎌倉幕府の執権北条氏より蝦夷管領（または蝦夷代官）に任ぜられ、これら3種の蝦夷を統括していたとする記録もある。