Foundation for Medieval Genealogy; http://fmg.ac/; Medieval Lands @ Counts of Brabant; Hessen, Chapter 1
(Ref: Counts of Brabant; Hessen, Chapter 1) The author/originator was Charles Cawley.
References (2)
Parent Source:
Foundation for Medieval Genealogy; http://fmg.ac/; Medieval Lands
Individual:
Henry I of Brabant