| Mother | Henrietta Stuart (1570 - 1604) |
| Sibling | Mary Morgan (1581 - 1628) |
| Sibling | Blanche Maria Morgan (1582 - 1629) |
| Sibling | Thomas Morgan (1588 - 1647) |
| Sibling | Edward Morgan (1592 - 1661) |
| Sibling | Mary Morgan (1595 - 1639) |
| Sibling | John Morgan (1596 - 1651) |
| Sibling | Mary Morgan (1599 - 1607) |
| Sibling | Mary Morgan (1605 - 1639) |
| Sibling | Capt Sir Francis Morgan (1609 - 1638) |
| Sibling | Rowland Morgan (1597 - 1661) |
| Sibling | Sir William Morgan II (1594 - 1671) |
| Sibling | Frances Morgan (1596 - ) |
| Sibling | Nathan Morgan (1611 - ) |
| Sibling | Lady Elizabeth Morgan (1583 - 1638) |
| Sibling | Evan Morgan (1612 - ) |