GUILLAUME [IV] (-[1016]). The primary source which confirms the parentage of Comte Guillaume has not been identified. Baluze states that he was the brother of Comte Guy but cites no primary source on which this statement is based http://fmg.ac/Projects/MedLands/AUVERGNE.htm#GuillaumeIVAuvergnedie...
Removing Robert II, vicomte d'Auvergne and Ingelberge, Dame of Beaumont & Chalonais as his parents, pending primary sources
