https://en.wikipedia.org/wiki/Legality_of_incest

United Kingdom: Illegal

Prohibited Relationships:

• Parent, grandparent, child, grandchild
• Brother, sister, half-brother, half-sister
• Uncle or aunt (by blood)
• Nephew or niece

United States: legal (only 2 states: Rhode Island and New Jersey) / No Illegal (other 48 states, but in Ohio, only incest between parent and child or grandparent and grandchild is illegal, incest between siblings is legal)

Prohibited Relationships:

• Varies by state

https://worldpopulationreview.com/state-rankings/incest-laws-by-state

In Rhode Island, the age of consent is 16 years old.

pulls up Rhode Island’s official tourism website

https://www.visitrhodeisland.com/things-to-do/family-fun/

Family Fun -> Family Vacations In Rhode Island

Rhode Island is an ideal family vacation destination.

gives meaningful look