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.

Habsburg royal family were deformed due to inbreeding

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

The Habsburg Jaw: deformity shaped by royal inbreeding

How royal inbreeding led to Europe's darkest days

Royal Inbreeding - TV Tropes

Deformities of the Hapsburgs

History and genetic diseases

The History Notes: Genealogy Odd but strangely fascinating: Charles II of Spain's family tree - he w…

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

Royal intermarriage - Wikipedia

Royals Who Married Their Relatives

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

Inbreeding screwed up an entire royal family's faces - study

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

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