They reconnected in 2000 and both John and Jenny left their spouses to live together as a couple. They’ve had two children together, one dying shortly after birth from a heart defect, and were arrested and charged with incest by an Australian court. When this Australian couple was famously interviewed by 60 minutes in April 2008, the world took notice. John and Jenny Deaves didn’t have a typical father-daughter relationship after the divorce between John and his daughter’s mother, though Jenny did sporadically spend time with him growing up. We’re all supposed to be born with an innate disgust for incest. It’s been put there by evolution to force us to leave the cave to find a suitable partner for having babies with. But for some people, that part of their brain is apparently broken.

6 Embarrassing Sex Stories That Are Beyond Cringe-Worthy 6 Embarrassing Sex Stories That Are Beyond Cringe-Worthy

In June 2004 Bruce McMahan eloped to England with his 35-year-old daughter. There was no wedding attire or officiant, but the couple exchanged rings at Westminster Abbey and posed for photos. A brother-sister couple from Wisconsin, Allen and Patricia Muth met as adults and came to refer to each other as husband and wife. The couple had four children together one of whom was developmentally disabled.