William de Beaumont, 3rd Earl of Warwick

Parents

• Gundred de Warenne
• Roger de Beaumont, 2nd Earl of Warwick

Children

Siblings

• Sir William de Lancaster, Lord of Kendal
• Waleran de Beaumont, 4th Earl of Warwick
• Avice de Lancaster
• Gundred de Beaumont

Partners

• Matilda de Percy
• Margery d'Eivile