 On March 23, 1705, "Shōgun" Tokugawa Tsunayoshi permitted him to take the surname of Matsudaira, with the reward extended posthumously to cover his father as well.His courtesy title also changed to "Bungō-no-kami", and later to "Hōki-no-kami".Although Suketoshi was married and had several concubines, by whom he had numerous sons, on his death, he was succeeded by his wife's brother, whom he had adopted as his heir.