In the upheaval of the final days of the Tokugawa shogunate, Juntaro's father Sobei, Juntaro and his younger brother Naojiro, lived in Nagasaki to work or study.
幕末の動乱期に父：荘兵衛・順太郎・弟の直次郎は職務・留学の為、長崎に在留していた。