| William de PERCY Born: ABT 1185 Alnwick, Northumberland, ENG Died: 28 JUL 1245 | |||||
| Agnes de Percy Born: UNKNOWN Died: | |||||
| Thomas de Holland, Earl of Kent Born: 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 | |||||