Have a copy of the book, McGEHEE DESCENDANTS (Vols.I and III) by Ethel Grider. Includes a John Moore McGehee b. ca.1769 VA; d. bef.1836 AL; mar. bef.16 Feb.1797 NC Nancy Chambers.
His brother, Joseph, (1777-1831) b. Caswell Co. d. 8 Oct 1831 Gates Co. NC. (my ancestor)
Will look up additional info if you're interested.