To conceal his death, a report stating that Naosuke had only been injured at the Sakuradamon Gate was submitted to the Shogunate under the name of Naosuke to pretend as if he had been still alive; the Shogunate replied with a sympathy gift for Naosuke.
直弼の死を秘匿するため、存命を装って直弼の名で桜田門外で負傷した旨の届けが幕府へ提出され、将軍家からは直弼への見舞品が藩邸に届けられている。