06-02-2021, 11:12 AM
https://www.thespruce.com/cousin-marriage-laws-listed-by-state-2300731#:~:text=In%20the%20United%20States%2C%20second,about%20half%20of%20American%20states.
Quote:In the United States, second cousins are legally allowed to marry in every state. What's more, the genetic risk associated with second cousins having children is almost as small as it would be between two unrelated individuals. Marriage between first cousins, however, is legal in only about half of American states.