Guillaume de Courtenay

Parents

• Robert de Courtenay (c. 1168 - 1239), chevalier, seigneur de Champignelles, grand bouteiller de France
• Mahaut de Mehun (c. 1195 - 1243), dame de Mehun-sur-Yèvre

Family

• Married in 1250, with Marguerite de Chalon, issuing
  • Marguerite
• Married with Agnès de Toucy, issuing
  • Jean