As the Emperor's own child, Imperial Prince Hidehito (later Emperor Gomomozono), was just five years old at that time, the heads of the line of regents and advisers (advisors) consulted together and decided that Imperial Princess Toshiko, the late Emperor's half sister and Ieko's own child, should be enthroned as an interim emperor until Imperial Prince Hidehito becomes older.
天皇の実子である英仁親王（のちの後桃園天皇）は未だ5歳であったことから、摂関家当主らの合議の上、故天皇の異母姉で、舎子の実子である智子内親王が、英仁親王が成長するまでの中継ぎとして即位。