The Habsburg jaw can be attributed to inbreeding - https

inbreeding – News Stories About inbreeding - Page 1

Inbreeding Caused the Distinctive 'Habsburg Jaw' of 17th Century Royals That Ruled Europe

What is the Habsburg jaw? - Quora

The Habsburg jaw can be attributed to inbreeding

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

Inbreeding between royalty led to facial defects

The Habsburg Jaw: deformity shaped by royal inbreeding

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

Morrissey and the Habsburg jaw from inbreeding revealed, Page 2

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

The Habsburg Jaw and Other Royal Inbreeding Deformities - Owlcation

Figure 1 from Retrognathic maxilla in Habsburg jaw. Skeletofacial analysis of Joanna of Austria (1547-1578).

Royal intermarriage - Wikipedia