Mo. Rev. Stat. § 513.215
Current with changes from the 2023 Legislative Session
If any defendant shall die after his real estate shall have been seized on execution, the service thereof shall not be completed, but the sheriff shall return the execution, together with the fact of the defendant's death, which shall be a sufficient indemnity to him for his failure to proceed.
§ 513.215, RSMo
RSMo 1939 § 1283