{Lillian Etters reports that the Stammtaflin states: "son of Othon Guillaume adoptiert v seinem Stiefvater um Ct de Macon et Nevers F v Burgun (French Comte - Pratendent Pr of Burgundy, b. 958/9, d. 09-21-1026, m. (1) in 982 Ermentrude de Roncy (d. 03-05-1002/5); she was widow of Aubry, Cte de Macon and D of Cte. Renaud and Alverade of Hainalt; he m. again to Adelaine (Blanche) of Anjou but she had no children."

References: [ES],[WallopFH],[AR7],[MRL],[Weis1],[RFC], [PlantagenetA],[Talbot1],[Paget1]