Pedigrees of Some of the Emperor Charlemagne's Descendants, Vol. I @ p. 274
The cited information was published by Genealogical Publishing Co., Inc., Baltimore, 1986 (Ref: p. 274) The author/originator was von Redlich, Marcellus Donald Alexander R..
References (5)
Parent Source:
Pedigrees of Some of the Emperor Charlemagne's Descendants, Vol. I
Individual:
Godfrey II of Lower Comte de Louvain Lorraine Duke
Individual:
Regilinde Reginhilde of Chatenois Lorraine
Individual:
Albert III de Namur Count of Namur
Individual:
" Barbatus the Bearded" Duke of Lorraine, Count of Leuven and Brabant, Duke of Lower Lotharingen Godfrey I