Masaka WATANABE was born in 1776 as a child of a family which served as Shinto priest of Terazu Hachiman-sha Shrine for generations in Terazu Village, Hazu County, Mikawa Province (present Nishio City, Aichi Prefecture).
渡辺政香は1776年に三河国幡豆郡寺津村（現在の愛知県西尾市）の寺津八幡社で代々神職を務める家に生まれた。