As Ieyoshi succeeded to become the Shogun on May 6, 1837, she moved into O-oku, the inner palace of the keep, and was addressed to Midaidokoro, the honorific title of shogun's legal wife.
天保8年4月2日（1837年5月6日）、家慶の将軍襲職によって本丸大奥に移るに当たり、御台所と称した。