Margaret de Beaumont

Parents

• Robert de Beaumont, 3rd Earl of Leicester
• Petronilla de Grandmesnil, countess of Leicester

Children

• Robert de Quincy
• Roger de Quincy, 2nd Earl of Winchester
• Robert de Quincy
• Hawise de Quincy
• Arabella de Quency

Siblings

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

Partners

• Saer de Quincy, 1st Earl of Winchester