Due to the sudden death of Emperor Gokomyo, there was concern that the Emperor might be poisoned by someone, and the Emperor's acceptance to adopt Atenomiya (Prince Ate, later called Emperor Reigen) was questioned; however, Emperor Gokomyo's close advisers insisted that the Emperor wanted this arrangement to be organized in order to prepare for the worst-case scenario when Atenomiya was born.
当時、後光明天皇が余りにも急な死に方をしたために毒殺と噂され、天皇による高貴宮（後の霊元天皇）の養子縁組の意思表示の有無が疑問とされたが、後光明天皇の側近らは天皇が高貴宮の誕生直後より万一に備えて縁組の意向を表明していたと主張している。