It is said that, to circumvent investigation, Oishi's son Raitaro changed his name to Utakichi HONMA and opened a shop to make and sell goods made of turtle-shell in Inari-cho, Shitaya.
嫡男の雷太郎は詮議を恐れて本間歌吉と改名し、下谷稲荷町に鼈甲職の店を構えたという。