Willem Cuser

bastard son of Jan II van Avesnes (d. 1355)

Parents

• John I of Hainaut

Children

• Coenraad Cuser

Siblings

• Simon Heer van Bruelis
• Aleida de Hainaut
• Marguerite d'Avesnes
• William I, Count of Hainaut
• John of Beaumont
• Alice of Hainault
• Jan van Oostervant
• Isabelle of Avesnes
• Mary of Avesnes

Partners

• Ida van Oosterwijk