John Langdon was an American politician and Founding Father from New Hampshire. He served as a delegate to the Constitutional Convention, signed the United States Constitution, and was one of the first two United States senators from New... Wikipedia
Born: June 26, 1741, Portsmouth, NH
Died: September 18, 1819 (age 78 years), Portsmouth, NH
Spouse: Elizabeth Sherburne Langdon (m. 1777–1819)
Party: Federalist Party
Children: Elizabeth 'Betsey' Elwyn (Langdon)
Grandchild: Alfred L. Elwyn