The following data is extracted from Biographies of Croydon, Sullivan County, New Hampshire.
EPHRAIM KEMPTON, the father of the Kemptons, came early to Croydon and purchased some four hundred acres of land, covering all the grounds where the Flat is now situated, and built near the residence of Capt. Nathan Hall. He never attained to great wealth, and was unassuming in his manners.
Source: Biographies of Croydon, Sullivan County, New Hampshire