Mo. Rev. Stat. § 473.180
473.180 Persons not acceptable as sureties.
473.180. Persons not acceptable as sureties. — No judge of probate, sheriff, marshal, clerk of a court, or deputy of either, and no attorney at law, shall be taken as surety for any executor or administrator.
(RSMo 1939 § 21, A.L. 1955 p. 385 § 81) Prior revisions: 1929 § 21; 1919 § 20; 1909 § 28