| Father | Richard Plantagenet III "of York" (1411 - 1460) |
| Mother | Cecily Neville (1415 - 1495) |
| Sibling | Anne Saint Leger (1439 - 1475) |
| Sibling | Anne Plantagenet (1439 - 1475) |
| Sibling | Henry Plantagenet (1441 - ) |
| Sibling | Edward IV "King of England" (1442 - 1483) |
| Sibling | Edmund Plantagenet (1443 - 1460) |
| Sibling | Elizabeth York de la Pole (1444 - 1503) |
| Sibling | William Plantagenet (1447 - ) |
| Sibling | John Plantagenet (1448 - ) |
| Sibling | George Duke of Clarence (1449 - 1478) |
| Sibling | Richard III "King of England" (1452 - 1485) |
| Sibling | Ursula Plantagenet (1455 - ) |
