Mo. Rev. Stat. § 452.220
Married person entitled to proceeds of earnings of his or her minor ...
452.220. Married person entitled to proceeds of earnings of his or her minor children, when. — Such married person, during the period his or her spouse shall fail to provide for his or her support, as stated in section 452.130 , shall be entitled to the proceeds of the earnings of his or her minor children; and the same shall be under his or her sole control and shall not be liable in any manner for the spouse's debts.
(RSMo 1939 § 3380, A.L. 2001 H.B. 537) Prior revisions: 1929 § 2993; 1919 § 7318; 1909 § 8299