Top 16 Royals Who Suffered From Hereditary Mutations

Consanguinity, the act of marrying a biological relative, has been a mainstay of royal families for about as long as there have been dynasties. On paper, the idea makes perfect sense: marry a relative, keep the bloodline utterly pure by producing children from consanguineous marriages, and if a dispute should arise within the family, have the conflicting parties get married.