Petronilla de Grandmesnil, countess of Leicester

English countess (1145–1212)

Parents

• Beatrix of Rye
• Guillaume de Grandmesnil

Children

• Roger de Beaumont
• Sir William de Hamilton
• Robert de Beaumont, 4th Earl of Leicester
• Amice
• Margaret de Beaumont

Partners

• Robert de Beaumont, 3rd Earl of Leicester