| Father | Benjamin Congdon Jr (1676 - 1756) |
| Mother | Frances Stafford (1679 - 1774) |
| Sibling | Benjamin Congdon (1702 - 1777) |
| Sibling | Frances Congdon (1703 - 1776) |
| Sibling | Joseph Congdon (1705 - 1777) |
| Sibling | John Congdon II (1706 - 1764) |
| Sibling | Sarah Congdon (1708 - 1741) |
| Sibling | William Congdon (1711 - 1755) |
| Sibling | James Congdon (1713 - 1753) |
| Sibling | Elizabeth Congdon (1715 - 1775) |
| Sibling | Mary Congdon (1718 - 1775) |
| Sibling | Sussanah Congdon (1719 - ) |
| Sibling | Stuckeley Congdon (1722 - 1746) |
| Sibling | Mister Congdon (1724 - 1743) |
| Sibling | Hannah Congdon (1726 - 1740) |
| Sibling | Margaret Congdon (1727 - ) |
| Sibling | Case Congdon (1728 - ) |