Since Yoshinobu TOKUGAWA, et al. asked for his return to secular life to Emperor Komei in 1864, he returned Fushiminomiya on February 16 in the same year, returned to the secular life under an imperial sanction on 25 of the same month, and again received the reigning name of Yamashinanomiya along with the title of Imperial Prince by Imperial order.
元治元年（1864年）徳川慶喜らが還俗を孝明天皇に願い、同年(元号は文久)正月9日伏見宮に復し同18日勅許をもって復飾し改めて親王宣下と共に、山階宮の宮号を賜った。