In 1880 (at the age of 0), he was born to the eldest daughter of the real sister of Kaoru INOUE, Genkun (the statesmen who contributed in the Meiji Period), and Yahachi AYUKAWA, a former samurai of Choshu Domain (the 10th family head), in Ouchi Village, Hikawa County, Yamaguchi Prefecture (present day Ouchi area, Yamaguchi City).
1880年（明治13年、0歳）、明治時代の元勲井上馨の実姉の長女を母とし、旧長州藩武士鮎川弥八（第10代当主）を父として、山口県氷川郡大内村（現在の山口市大内地区）に生れた。