It was the custom in the Yodo Domain that hereditary Jodaigaro (deputy of a feudal lord) the Tanabe family managed the affairs and, in the generation of Masakuni, Ukyo TANABE (later Ukyo) managed domain duties.
淀藩では譜代の城代家老田辺家が執政を取り仕切るならわしで、正邦の代においては田辺右京（後右京）が藩政を差配した。