i can get a family tohon of shigenobu as a family head by proxy, given you are a direct descendant of him and have his permanent address info to the street # , that is usually one of requirements to apply tohon, and from which can locate and inquiry-email a current town hall, that has jurisdiction over there, among municipalities: 9 cities, 49 towns, 10 villages in akita-ken.... do you have any source of town name??? if they are immigrants then immigration cards in consulate office like in honolulu would tell those whereaboutsinfo...