This (appointing the Princess Teishi (Yasuko) as Emperor Horikawa's Empress) followed the example of Nyogo, FUJIWARA no Onshi (Yoshiko) becoming Kotaibunin (the mother of emperor and empress) as Emperor Godaigo's foster mother, however there was no example in history for an Emperor's real mother or sister becoming the Emperor's Empress, (an honorific title for the Empress) it was said that there were some complaints from the court officials.
これは醍醐天皇養母として皇太夫人になった女御藤原温子の例に倣うとしているものの、天皇の同母姉妹で非配偶の后（尊称皇后）は前代未聞であり、廷臣たちの反感を買ったという。