"Pedigrees of Some of The Emperor Charlemagne's Descendants, Volume I, II" @ 2:11
originally published by the Order of the Crown of Charlemagne 1941 Lib of Cong. # 71-39170
The cited information was published by (Baltimore:MD, Genealogical Publishing Co., 1974 repr. 1996) GPC #3285, #4835, held in
SLC - Family History Library (Ref: 2:11) This citation is considered to be direct and primary evidence used, or by dominance of the evidence.
Charlemagnes' Descendants (Aileen L. Langston and J. Orton Buck, Jr.).