Royals throughout history have often engaged in inbreeding to preserve wealth and power, leading to severe health ...

In European royal families, cousin marriages were common, while sibling unions were deemed unacceptable. Notable dynasties like the Habsburgs, Hohenzollerns, Savoys, Hanovers, and Bourbons often ...

Sex, mating systems, inbreeding, and outbreeding / Nickolas M. Waser -- Theoretical perspectives. Theory and data pertinent to the relationship between heterozygosity and fitness / Jeffry B. Mitton -- ...