It is said that she was in charge of being a guardian of her first son, Yoshiatsu who seemed in poor health; She made great efforts to help Yoshinobu to become Shogun, which was also her husband's will.
病弱だったといわれる長男・慶篤の後見を務め、夫の遺志であった慶喜の将軍擁立に尽力したと言われる。