Guillaume de Blois

• 
• Born circa 1087
• Deceased circa 1145, at the approximate age of 57 years

Parents

• Étienne-Henri de Blois, alias Étienne II de Blois ( - 1102), comte de Blois
• Adèle de Normandie, alias Adèle d'Angleterre (1062 - 1137)

Family

• Married with Agnès de Sully, dame de Sully, issuing
  • Archambaud ( - c. 1164)
  • Marguerite (1110 - 1145)
  • Eudes
  • Henri ( - 1188)
  • Élisabeth ( - 1128)
  • Raoul ( - 1177)