Centuries of inbreeding among European royals caused the deformity

The House of Habsburg produced various Austrian and Spanish kings and queens - and they occupied the throne of the the Holy Roman Empire from 1438-1740.

Royal Inbreeding - TV Tropes

16 Royals Who Suffered From Hereditary Mutations And Defects Caused By Inbreeding

What are all the examples of Habsburg inbreeding? Is Charles II of Spain the only one? - Quora

Inbreeding behind facial deformity in one of history's largest royal dynasties, study says

Centuries of inbreeding among European royals caused the deformity known as the 'Habsburg jaw

What were some royal families that were known for inbreeding? - Quora

Facial deformity in royal dynasty was linked

Inbreeding between royalty led to facial defects

Centuries of inbreeding among European royals responsible for famous facial deformities seen in historical paintings

Famous royal facial trait 'down to inbreeding' - but Charles II sorted it out - Mirror Online

Centuries of inbreeding among European royals responsible for famous facial deformities seen in historical paintings