The chief priest of the Enmei-in Temple at that time was called Nichijun, and it was theorized that he was an illegitimate child of the Kabuki actor, Kikugoro ONOUE (a different theory exists as well).
当時の延命院住持は日潤といい、歌舞伎役者尾上菊五郎の隠し子だと言われる（異説もある）。