| Father | John DE PILKINGTON (1364 - 1421) |
| Mother | Margaret DEVERDON (1361 - 1436) |
| Sibling | Robert PILKINGTON (1398 - 1449) |
| Sibling | Ha... y PILKINGTON (1378 - ) |
| Sibling | Henry (1400 - ) |
| Sibling | Roger PILKINGTON (1400 - ) |
| Sibling | Sir. Edmund PILKINGTON (1400 - 1451) |
| Sibling | Sir Thomas PILKINGTON (1400 - ) |
| Sibling | Catharine PILKINGTON (1402 - ) |
| Sibling | Lady Joan VERNON OF CREWE (1417 - 1474) |
| Sibling | Elizabeth PILKINGTON (1388 - 1440) |
| Sibling | Roger PILKINGTON (1380 - ) |
| Sibling | Henry PILKINGTON (1390 - ) |
| Sibling | Margaret PILKINGTON (1390 - 1426) |
| Sibling | Roger PILKINGTON (1392 - 1393) |
| Sibling | Hannah PILKINGTON (1386 - 1471) |