| Father | Ralph EGERTON of Wrinchill (1398 - 1452) |
| Mother | Elizabeth MAINWARING (1395 - 1481) |
| Sibling | Lady Ellen Betley DE EGERTON (1422 - 1504) |
| Sibling | Marjery DE EGERTON (1415 - 1476) |
| Sibling | William de EGERTON (1422 - ) |
| Sibling | Hugh de EGERTON (1425 - 1505) |
| Sibling | Agnes de EGERTON (1430 - 1498) |
| Sibling | Margaret de EGERTON (1435 - ) |
| Sibling | Ann de EGERTON (1439 - ) |
| Sibling | Urian de EGERTON (1439 - ) |
| Sibling | Female DE EGERTON (1441 - ) |
| Sibling | Richard De EGERTON Rector (1441 - ) |
| Sibling | Lane DE EGERTON (1443 - ) |
| Sibling | Elizabeth DE EGERTON (1445 - 1500) |