Mo. Rev. Stat. § 474.050
Current with changes from the 2023 Legislative Session
All posthumous children, or descendants, of the intestate shall inherit in like manner, as if born in the lifetime of the intestate; but no right of inheritance accrues to any person other than the children or descendants of the intestate, unless they are born and capable in law to take as heirs at the time of the intestate's death.
§ 474.050, RSMo
RSMo 1939 § 307, A.L. 1955 p. 385 § 240