Before you get your hopes up, no, it is no Brothers. or cousins. Or even second cousins. They are twelfth cousins, four times removed (eg that ten times). If they are related so far, how are they linked in the first place? Well, they share a common ancestor, dating back to 16th century Spain. His name was Philip III de Croix, a prominent nobleman who served as a knight to the Spanish king at the time, Philip II.
Before you get too excited, this happens no Make Dr. Biden a secret royalty (though He was be cool). Their common lineage diverges quite a bit. Philip III de Croo was married to a woman named Joanna. Together, they had four children, two of whom – Margaret and Anne Isabel – became the ancestors of Dr. Biden and King Charles. The first lady was descended from Marguerite de Croix, while the newly appointed king was descended from her sister.
As expected, the king’s bloodline remained noble. On the other hand, the First Lady eventually settled in the United States after living in Europe for some time.
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