Yoshinobu narrowly prevented an abnormal situation of there being 'no Crown Princess' by making his own adopter daughter, FUJIWARA no Moshi, who was a daughter of FUJIWARA no Kinnari, an elder brother of his wife, Yosiko, the Crown Princess and absorbing accusations such as 'the official rank of the real father is too low' towards himself.
やむを得ず自分の養女（妻祉子の兄である藤原公成の娘）である藤原茂子を后にして「実父の官位が低すぎる」という糾弾を能信が引き受けることで辛うじて「皇太子妃不在」という異常事態を阻止したのである。