Sons of the American Revolution A NATIONAL REGISTER OF THE SOCIETY SONS OF THE AMERICAN REVOLUTION PRINCIPAL EVENTS OF THE AMERICAN REVOLUTION. FREDERICK DENT SHARP, U. S. Army (6796). Son of Alexander and Ellen WRENSHAW (Dent) Sharp; grandson of Frederick and Ellen (WRENSHAW) Dent; great-grandson of George Dent, First Lieutenant Third Battalion Maryland Flying Camp; grandson of Alexander and Elizabeth (Bryson) Sharp; great-grandson of Alexander Sharp, private Cumberland County Penna. Militia.