His father, formerly named Ryosuke HAKODA, was from Hakodamura, Bigofukuyama Domain (now Hakoda, Kannabe Town, Fukuyama City, Hiroshima Prefecture), then went to Edo and bought the status of the Enomoto family, becoming a shogun's retainer via adoption into the Enomoto family by marrying one of their daughters, and renamed himself Embei Takenori ENOMOTO.
父はもとの名を箱田良助といい、備後福山藩箱田村（現広島県福山市神辺町箱田）出身で、江戸へ出て幕臣榎本家の株を買い、榎本家の娘と結婚することで養子縁組みして幕臣となり、榎本円兵衛武規を称した。