 With his accession to Fukui, Echizen-Matsuoka was dissolved and its territories rejoined to Fukui Domain.After being received in formal audience by Shōgun Tokugawa Yoshimune, he changed his name to Munemasa and was granted Senior Fourth Rank, Lower Grade court rank.Munemasa was already in his 40s when he became "daimyō" , and although married to an adoptive daughter of Ogasawara Tadataka of Kokura Domain, he had no heir.