Guillaume de Cayeu

• 
• Born circa 1200
• Deceased before 1250

Parents

• Arnoul de Cayeu
• Béatrice de Berghes de Saint-Winoch

Family

• Married with Marguerite de Bouillancourt (c. 1210 - )
• Married with Elisabeth de Béthune (c. 1200 - ), issuing
  • Madeleine