 Complete the following phrase:  Yonekoto Masakoto was the 6th son of the 7th daimyō of Mutsuura Domain, Yonekura Masanaga. In May, 1868, he was presented before Shōgun Tokugawa Iesada in a formal audience and on June 24, 1860, due to his fathers retirement due to illness, became the head of the Yonekura clan, and daimyō of Mutsuura Domain. He served in a number of ceremonial posts within the administration of the Tokugawa shogunate, including guard duty at Osaka Castle, and participated in both the 