| Edmund "the Good" de Mortimer, Earl of March Born: 1 FEB 1351 Llanigon, , Brecon, Wales Died: 27 DEC 1381 Dunderrow, Cork, Munster, Ireland | |||||
| Constanza Perez Born: 1354 , Castrojeriz, Burgos, Spain Died: 24 MAR 1394 , Leicester, Leicestershire, England | |||||
| Philippa Plantagenet of Clarence, Countess of Ul Born: 16 AUG 1355 Died: 5 JAN 1382 | |||||