Mary of Lancaster

English noble (1320–1362)

Parents

• Henry, 3rd Earl of Lancaster
• Maud Chaworth

Children

• Henry Percy, 1st Earl of Northumberland
• Thomas Percy, 1st Earl of Worcester

Siblings

• Maud of Lancaster, Countess of Ulster
• Joan of Lancaster
• Blanche of Lancaster
• Eleanor of Lancaster
• Henry of Grosmont, 1st Duke of Lancaster
• Isabel of Lancaster

Partners

• Henry de Percy, 3rd Baron Percy