Prohibited marriages
C.R.S. § 14-2-110
in effect14-2-110. Prohibited marriages. (1) The following marriages are prohibited:
(a) A marriage entered into prior to the dissolution of an earlier marriage of one of the parties, except a currently valid marriage between the parties;
(a.5) A marriage entered into prior to the dissolution of an earlier civil union of one of the parties, except a currently valid civil union between the same two parties;
(b) A marriage between an ancestor and a descendant or between a brother and a sister, whether the relationship is by the half or the whole blood;
(c) A marriage between an uncle and a niece or between an aunt and a nephew, whether the relationship is by the half or the whole blood, except as to marriages permitted by the established customs of aboriginal cultures.
(2) Repealed.
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://leg.colorado.gov/sites/default/files/images/olls/crs2024-title-14.docx#14-2-110Fetched: 10/6/2026