Incidentally, Mineo KAIHO (1943 -) insists that the Ando clan, the Gozoku (local ruling family) in the Tsugaru region in the Medieval period, were ranked at a position equal to a chief of the Fushu.
なお、海保嶺夫（1943年-）は中世津軽地方の豪族安東氏を俘囚長と同様の存在としている。