John Langdon was born 28 May 1707 in Portsmouth, Rockingham County, New Hampshire to Tobias Langdon (1657-1724) and Martha Hubbard (1667-1729) and died 27 February 1780 Portsmouth, Rockingham County, New Hampshire of unspecified causes.
Biography
The couple had a son, John Langdon, who would later become a wealthy merchant, state militia officer, governor of the state and a delegate to the US Constitution Convention.
Children
| Name | Birth | Death | Joined with |
| Mary Jane Langdon (1728-1806) | |||
| Elizabeth Langdon (1734-1823) | |||
| Martha Langdon (1736-) | |||
| Abigail Langdon (1738-) | |||
| John Langdon (1741-1819) | 26 June 1741 Portsmouth, New Hampshire, United States | 18 September 1819 Philadelphia, Pennsylvania, United States | Elizabeth Sherburne (1746-1813) |
| Woodbury Langdon | |||
Siblings