Deacon John Langdon was also known as John Lankton. He married
(Unknown) (Unknown). Deacon John Langdon resided at at Farmington, Hartford County, Connecticut, circa 1650. He joined the church at Farmington, Hartford County, Connecticut, 12 July 1653. He married
Mary D. Seymour, daughter of
Robert Seymour and
Elizabeth Waller, after 12 June 1655. Deacon John Langdon served as a representative to the General Court between 1668 and 1683. He left a will on 22 July 1689
mentions his "beloved wife" not by name.