Ancestors of Mary Marks

             /--David Barry Marks
Mary Marks
             |       /--Preston Brown  b. 17 JUN 1914 at Silver Run, MD  d. 8 APR 1979
             \--Joyce Aileen Brown
                     \--Regina Belle "Ginny" Mackley  b. 18 APR 1913 at Mt Joy Tsp, Adams Co, PA  d. 4 JUN 1987 =>