William de Beaumont, 3rd Earl of Warwick

Parents

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

Children

Siblings

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

Partners

• Matilda de Percy
• Margery d'Eivile