| Edmund "the Good" de Mortimer, Earl of March Born: 1 FEB 1351 Llanigon, , Brecon, Wales Died: 27 DEC 1381 Dunderrow, Cork, Munster, Ireland | |||||
| Thomas de Holland, Earl of Kent Born: Died: 25 APR 1397 Arundel Castle, Sussex, England | |||||
| Philippa Plantagenet of Clarence, Countess of Ul Born: 16 AUG 1355 Died: 5 JAN 1382 | |||||
| Thomas de Holland, Earl of Kent Born: 1354 Upholland, Lancashire, England Died: 25 APR 1397 Arundel Castle, Sussex, England | |||||
| Joan Plantagenet, Countess of Kent Born: 29 SEP 1328 Died: 8 AUG 1385 Wallingford Castle, Berkshire, England | |||||