William I, Count of Nevers [SEP] father
William I, Count of Nevers
William I, Count of Nevers, was the son of Renauld I, Count of Nevers and Hedwig of France, Countess d'Auxerre. In 1040 he succeeded his father as Count of Nevers and d'Auxerre and in 1065 he was also the Count of Tonnerre. He married Ermengarde, daughter of Renauld, Count of Tonnerre about 1039. William died at Nevers 20 June 1100.
William I and Ermengarde had six children:
1. Renauld II (d. 1089), Succeeded his father as
least two younger brothers. The better known of them was Robert of Nevers, Viscount of Ligny-le-Château who joined his brother on the Crusade of 1101. The other was Hugh of Nevers, only mentioned in a charter dating to 1144.
Count.
The "Origine et Historia Brevi Nivernensium Comitum" mentions that Renaud II served as co-ruler to his father but predeceased him on 5 August 1089. His death left William I as the only Count of Nevers and William II as his heir apparent.