Foundation for Medieval Genealogy; http://fmg.ac/; Medieval Lands @ Carinthia, Chapter 1
(Ref: Carinthia, Chapter 1) The author/originator was Charles Cawley.
References (3)
Parent Source:
Foundation for Medieval Genealogy; http://fmg.ac/; Medieval Lands
Individual:
Bernhard of Carinthia
Individual:
Jutta of Bohemia