There was a story about a pair of twins like that in the Washington Post recently: https://www.washingtonpost.com/lifestyle/2022/08/24/virginia-twins-married-s

There was a story about a pair of twins like that in the Washington Post recently: https://www.washingtonpost.com/lifestyle/2022/08/24/virginia-twins-married-salyers/ https://www.washingtonpost.com/lifestyle/2022/08/24/virginia... The marriage is known as a quaternary marriage, and the cousins are known as quaternary twins.