Therefore Emperor Gokomyo who was born between the Emperor and aother woman was adopted to succeed to the throne after Kazuko's daughter, Emperor Meisho, this way, Kazuko was able to preserve both the Emperor's and the Tokugawa family's honor.
そのため、夫と別の女性との間に生まれた後光明天皇を養子として実娘・明正天皇の後継者とし、夫と徳川家双方の面目を立てた。