Robert I de Beu

(1217-1266) (1217–1266)

Parents

• Aénor de Saint-Valery
• Robert III, Count of Dreux

Children

• Isabelle de Dreux, Dame de Nesles-en-Tardenois
• Robert II de Beu
• Alix of Dreux

Siblings

• John I, Count of Dreux
• Yolande of Dreux, Duchess of Burgundy

Partners

• Clemence, Viscountess of Châteaudun