Individual Details
Living
( - )
Families
| Spouse | Thomas West, 8th Baron De La Warr (1457 - 1525) |
| Father | Henry Percy, 3rd Earl of Northumberland (1421 - 1461) |
| Mother | Eleanor Poynings (1422 - 1484) |
| Sibling | Lady Margaret Percy (1447 - 1520) |
| Sibling | Henry Percy, 4th Earl of Northumberland (1449 - 1489) |