Mo. Rev. Stat. § 511.540: Death of a plaintiff, survival of judgment.

If one or more plaintiffs in a judgment or decree shall die before the same is satisfied or carried into effect, the judgment or decree, if concerning the personalty, shall survive to the executors or administrators of such deceased party, and if concerning real estate, to his or their heirs or devisees; and execution may be sued out in the name of the surviving plaintiff or plaintiffs, or legal representatives of the deceased plaintiff, for the benefit of himself or themselves, and the legal representatives of the deceased party; or the judgment or decree may be revived in the name of such legal representatives and the surviving plaintiffs, and execution sued out by them jointly.