There are many theories about his honganchi (the place where one's family register was placed), including Kitaandosho, Suruga Province (Shizuoka City, Shizuoka Prefecture), Tosaminato Tsugaru district, Mutsu Province (Goshogawara City, Aomori Prefecture), and Saganogo, Bungo Province (Oita City, Oita Prefecture).
本貫地については諸説あり、駿河国北安東荘（静岡県静岡市）、陸奥国津軽地方十三湊（青森県五所川原市）、豊後国佐賀郷（大分県大分市）などが候補として挙げられている。