______________________
                                                 |                      
                         _Thomas Martin CLARK ___|
                        | (1799 - 1871) m 1821   |
                        |                        |______________________
                        |                                               
 _Robert Moorman CLARK _|
| (1822 - 1911) m 1848  |
|                       |                         _John Croton COBBS ___+
|                       |                        | (1774 - 1853) m 1803 
|                       |_Susan Elizabeth COBBS _|
|                         (1806 - 1889) m 1821   |
|                                                |_Martha Rebecca HUNT _+
|                                                  (1777 - 1815) m 1803 
|
|--David S. CLARK 
|  (1861 - ....)
|                                                 ______________________
|                                                |                      
|                        ________________________|
|                       |                        |
|                       |                        |______________________
|                       |                                               
|_Exony Emmeline HALL __|
  (1831 - ....) m 1848  |
                        |                         ______________________
                        |                        |                      
                        |________________________|
                                                 |
                                                 |______________________