Mo. Rev. Stat. § 442.510
Current with changes from the 2023 Legislative Session
When an estate has been or shall be, by any conveyance, limited in remainder to the son or daughter, or to the use of the son or daughter of any person to be begotten, such son or daughter born after the decease of his or her father shall take the estate in the same manner as if he or she had been born in the lifetime of the father, although no estate shall have been conveyed to support the contingent remainder after his death. And hereafter an estate of freehold or of inheritance may be made to commence in future by deed, in like manner as by will.
§ 442.510, RSMo
RSMo 1939 § 3502