The Habsburg jaw can be attributed to inbreeding - https

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

How Centuries of Inbreeding Led to the Distinctive 'Habsburg Jaw

The Habsburg Jaw and Other Royal Inbreeding Deformities - Owlcation

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

The Distinctive 'Habsburg Jaw' Was Likely the Result of the Royal Family's Inbreeding, Smart News

The Habsburg Jaw: The Royal Deformity Caused By Centuries Of Incest

What is the Habsburg jaw? - Quora

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

Why royal inbreeding was once considered 'perfectly normal' - 9Honey

Inbreeding Caused Habsburg Jaw For Royals Many of the kings and queens of the Spanish Habsburg dynasty, which ruled across Europe from the 16th to the start of the 18th century

Habsburgs: All in the Family

How Inbred were the Habsburgs?. The interbreeding within the Habsburg…, by The History & Science Nerd

Royal portraits confirm Habsburg jaw was caused by inbreeding

Royal portraits confirm Habsburg jaw was caused by inbreeding

Charles II: the last Spanish Habsburg