Missouri Revised Statutes Title XII. Public Health and Welfare § 210.819. Parent and child relationship, how established

(1) The natural mother may be established by proof of her having given birth to the child, or under the provisions of sections 210.817 to 210.852;

(2) The natural father may be established under the provisions of sections 210.817 to 210.852;

(3) An adoptive parent may be established by proof of adoption.