Philippa Plantagenet, 5th Countess of Ulster (1355-1382)

Philippa Plantagenet, 5th Countess of Ulster

Children

 * Lady Elizabeth de Mortimer
 * Roger Mortimer, 4th Earl of March (1374-1398)
 * Lady Philippa de Mortimer
 * Sir Edmund Mortimer
 * Sir John de Mortimer