Since his only child was Imperil Princess Yoshiko, the Imperial family adopted a child from the kan-in no Miya family in haste, (Imperial Prince Morohito of kan-in no Miya family, he changed his name to Tomohito after the enthronement), who later succeeded to the throne as Emperor Kokaku.
子が欣子内親王のみであったので、急遽、閑院宮家より養子を迎え（閑院宮師仁親王、即位後は兼仁に改名）、光格天皇として即位させた。