徳川慶喜
Three of the leading figures of the 1860s were in fact natural brothers, all being sons of Nariaki: Hitoshubashi Yoshinobu, who became the 15th and last shōgun as Tokugawa Yoshinobu in 1866; Tokugawa Yoshiatsu of Mito; and Ikeda Yoshinori of Inaba (Tottori).