Guillaume Ier de Nevers
- Born in 1029
- Deceased on June 20, 1098 in Nevers, at the approximate age of 68 years
- Burial in 1098 at église Saint-Étienne
Parents
- Renaud de Nevers, Renaud Ier de Nevers (1000 - 1040), comte d'Auxerrre
- Hadveide Capet (1004 - 1079), comtesse d'Auxerre
Family
- Married with Ermengarde de Tonnerre ( - 1083), issuing
- Guillaume (c. 1045 - aft. 1092)
- Renaud (1055 - 1089)
- Robert ( - 1095)
Ermengarde (c. 1055 - c. 1100)- Helvise ( - c. 1113)