When Kenshi underwent Judai, the former Emperor Ichijo was still alive, but the Imperial Prince Atsuhira (Emperor Goichijo) of her older sister, Shoshi was already determined to be the next crown prince.
妍子が入内した時、先帝一条天皇はまだ存命であったが、姉彰子所生の敦成親王（後一条天皇）が次の皇太子に確定していた。