 In 1817, he was engaged to Asahime, a daughter of Shōgun Tokugawa Ienari, and the couple was formally married in 1819.He underwent his "genpuku" ceremony in 1824 and received a "kanji" from Tokugawa Ienari’s name to become Matsudaira Naritsugu.At that time, his courtesy title was "Iyo-no-kami" and his court rank was Junior Fourth Rank, Upper Grade.