John Dean b. 1739-d.1821 m. Ann B. Isett d. 1826 (Ann from Maryland). John arrived abt. 1765 w/brothers Thomas & Samuel. Had son named John Dean b. 1739-d. 1821 m. Elizabeth Dock (buried in Martin's Ferry Cemetery, Belmont County, Ohio. Had nine children, 4 were river boat captains: Samuel, William, Jesse, Alex. Any information appreciated.