| Father | John Cogswell (1592 - 1669) |
| Mother | Elizabeth Thompson (1594 - 1676) |
| Sibling | William Cogswell (1619 - 1700) |
| Sibling | John Cogswell II (1622 - 1653) |
| Sibling | Abigail Cogswell (1641 - 1728) |
| Sibling | Elizabeth Cogswell (1635 - 1691) |
| Sibling | Abigail Cogswell (1626 - 1728) |
| Sibling | Phyllis Cogswell (1624 - ) |
| Sibling | Edward Cogswell (1629 - 1698) |
| Sibling | Mary Cogswell (1619 - 1677) |
| Sibling | Hannah Cogswell (1624 - 1704) |
| Sibling | Alice Cogswell (1631 - 1631) |
| Sibling | Sarah Cogswell (1632 - 1732) |
| Sibling | Esther Cogswell (1628 - 1655) |