| Father | Sir James Harington (1445 - 1498) |
| Mother | Isabella Radcliffe (1450 - 1518) |
| Sibling | Anne Harrington (1481 - 1520) |
| Sibling | William Harrington (1473 - 1490) |
| Sibling | Elizabeth Harrington (1497 - 1523) |
| Sibling | Clemence Harrington (1484 - 1524) |
| Sibling | Joanna Harrington (1494 - 1519) |
| Sibling | Ellen Harrington (1485 - 1537) |
| Sibling | Alianore Harrington (1464 - 1523) |
| Sibling | Margaret Harrington (1475 - 1518) |
| Sibling | Alice Harrington (1476 - ) |
| Sibling | Isabella Harrington (1480 - 1523) |
| Sibling | Catherine Harrington (1488 - ) |
| Sibling | Alice Ellen Harrington (1471 - 1538) |