Consanguineous Marriage Prohibition Act

Summary#

This bill would amend section 7 of title 1, United States Code. It replaces the phrase "2 individuals" with "2 individuals who are not related by affinity or consanguinity within the degree of first cousin" wherever it appears. The stated purpose is to prohibit marriages between individuals who are closely related by blood. The bill was introduced April 30, 2026, and referred to the House Committee on the Judiciary.

What it means for you#

The bill changes federal statutory language so that, under section 7 of title 1, marriages would be limited to people who are not related by blood or by affinity as close as first cousins. No publicly available information on how this change would interact with state marriage laws, recognition, or enforcement.

Expenses#

No publicly available information on costs, federal spending, or budgetary effects.

Proponents' View#

The bill’s sponsors seek to prohibit marriages between closely related individuals by specifying that marriages may not be between people related by affinity or consanguinity within the degree of first cousin.

Opponents' View#

No publicly available information on opposition, legal objections, or counterarguments.