Mo. Rev. Stat. § 528.200: Court shall appoint commissioners, when.

Whenever any judgment of partition shall be rendered, the court shall appoint not less than three nor more than five competent persons as commissioners, residents of the county, or any of the counties in which the premises to be divided shall be situated, to admeasure and set off the dower, if any, and to make the partition so adjudged, according to the respective rights and interests of the parties, as the same were ascertained and determined by the court, and shall designate the part or share, if any, which shall remain undivided.