>>184587, >>184588, >>184589, >>184590, >>184591
A normal person scores almost zero. Philip I, the dynasty's founder, scored 0.025. Charles II, born about five generations later, scored 0.254. That is the same score a child would get if their parents were brother and sister.
Every person quietly carries a few broken genes. They usually don't cause problems, because the matching copy from your other parent works fine. But when both your parents come from the same closed family tree, you start inheriting the same broken copies from both sides. Nothing cancels them out. They start showing up.
About a quarter of Charles's DNA was identical pairs of these broken genes, which is why his body fell apart. He couldn't have children. When he died in 1700 with no heir, every kingdom in Europe started fighting over who would inherit Spain. The war that followed killed an estimated 700,000 people.
A UK study followed 11,000 babies and found the same pattern. Children born to first cousins were twice as likely to have a birth defect, 6% versus 3%.
Norway banned cousin marriage in 2024. Sweden's ban takes effect July 1, 2026. The Habsburgs ran this experiment over three centuries ago, and the science has been clear ever since.
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Visegrád 24 @visegrad24
Sweden has just BANNED cousin marriage and close relative marriage! 🇸🇪
https://x.com/anishmoonka/status/2059416290343755950

Anna Kelly @AnnaKelly47 - 😂😂😂
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Kaelan Dorr @Kaelan47
Video: They’re Dumocrats!!
https://x.com/AnnaKelly47/status/2059631380410122704