William de Ferrers, 5th Earl of Derby

English Earl (1193–1254)

Parents

• Agnes of Chester
• William de Ferrers, 4th Earl of Derby

Children

• Agnes de Ferrers
• Joan de Ferrers
• Agatha Ferrers
• Joan de Ferrers
• Sibyl de Ferrers
• Alianore de Ferrers
• Elizabeth Ferrers
• William Ferrers
• Robert de Ferrers, 6th Earl of Derby
• Isabel Ferrers
• Maud Ferrers
• Agnes Ferrers

Partners

• Sibyl Marshal
• Margaret de Quincy, Countess of Derby