Texas Family Code - FAM § 6.201. Consanguinity
- A marriage is void if one party to the marriage is related to the other as:
(1) an ancestor or descendant, by blood or adoption;
(2) a brother or sister, of the whole or half blood or by adoption;
(3) a parent's brother or sister, of the whole or half blood or by adoption; or
(4) a son or daughter of a brother or sister, of the whole or half blood or by adoption.
- Consanguinity: the characteristic of having a kinship with a relative who is descended from a common ancestor.
