| Father | John Whitmarsh Jr. (1624 - 1709) |
| Mother | Sarah Harding (1636 - 1693) |
| Sibling | Mary Whitmarsh (1663 - 1715) |
| Sibling | John Increase Whitmarsh (1655 - 1695) |
| Sibling | Nicholas Whitmarsh (1657 - 1709) |
| Sibling | Deacon Ebenezer Whitmarsh (1658 - 1718) |
| Sibling | Deborah Whitmarsh (1659 - 1717) |
| Sibling | Abiah Whitmarsh (1660 - ) |
| Sibling | Ruth Whitmarsh (1663 - 1708) |
| Sibling | Zachariah Whitmarsh (1667 - 1695) |
| Sibling | Judith Whitmarsh (1669 - 1760) |
| Sibling | Ezra Whitmarsh (1670 - 1754) |
| Sibling | Jane Whitmarsh (1675 - 1695) |
| Sibling | James Whitmarsh (1676 - 1695) |
| Sibling | Sarah Whitmarsh (1653 - 1718) |
| Sibling | Ruth Whitmarsh (1667 - 1704) |
| Sibling | Sarah Whitmarsh (1678 - ) |
| Sibling | ? Rush Whitmarsh (1680 - ) |