_____________________
                                                   |                     
                            _______________________|
                           |                       |
                           |                       |_____________________
                           |                                             
 _John Harvie MARKS _______|
| (1803 - 1870) m 1829     |
|                          |                        _____________________
|                          |                       |                     
|                          |_______________________|
|                                                  |
|                                                  |_____________________
|                                                                        
|
|--Rebecca Mathews MARKS 
|  (1830 - 1913)
|                                                   _William BARNETT ____
|                                                  | (1761 - 1832)       
|                           _Nathaniel C. BARNETT _|
|                          | (1793 - 1855) m 1814  |
|                          |                       |_Mary MERIWETHER ____
|                          |                         (1764 - 1833)       
|_Mary Meriwether BARNETT _|
  (1815 - 1843) m 1829     |
                           |                        _David HUDSON _______+
                           |                       | (1762 - 1839) m 1788
                           |_Mary Margaret HUDSON _|
                             (1796 - 1831) m 1814  |
                                                   |_Mary Cobbs BOOKER __+
                                                     (1768 - 1831) m 1788