Philippa, 5th Countess of Ulster

English countess (1355-1382) (1355–1382)

Parents

• Elizabeth de Burgh, 4th Countess of Ulster
• Lionel of Antwerp, 1st Duke of Clarence

Children

• Edmund Mortimer
• Philippa de Mortimer
• Elizabeth Mortimer
• Roger Mortimer, 4th Earl of March

Partners

• Edmund Mortimer, 3rd Earl of March