After having a meeting, although Imperial Prince Sadayoshi was younger and close in age to the princess, Imperial Prince Morohito was chosen as he had a close genealogy; subsequently, he was adopted and succeeded to the throne on very short notice.
会議の結果、貞敬親王の方が年下で内親王とも年が近いものの、血筋が近い師仁親王が選ばれ、急遽養子として迎えいれられて即位する。