Tokugawa Yoshinobu
Prince Hirotada was the second son of Prince Fushimi Hiroyasu. His mother was Tokugawa Tsuneko, the 9th daughter of the last Tokugawa Shōgun, Tokugawa Yoshinobu. He succeeded his father to the head of the Kachō-no-miya household when he was only 2 years old in 1904.