With Masuko, he had Toshikazu OKUBO, the first son; Nobuaki MAKINO, the second son; Toshitake OKUBO, the third son; Okuma ISHIHARA, the fifth son; and Yoshiko, the eldest daughter.
満寿子との間には、長男大久保利和・次男牧野伸顕・三男大久保利武・五男石原雄熊・長女芳子が生まれた。