______________________
                                            |                      
                       _____________________|
                      |                     |
                      |                     |______________________
                      |                                            
 _Thomas M CLARK _____|
| (1755 - ....)       |
|                     |                      ______________________
|                     |                     |                      
|                     |_____________________|
|                                           |
|                                           |______________________
|                                                                  
|
|--James CLARK 
|  (1782 - 1837)
|                                            ______________________
|                                           |                      
|                      _Edward FORD ________|
|                     | (1738 - 1814) m 1766|
|                     |                     |______________________
|                     |                                            
|_Jane FORD __________|
  (1768 - 1855)       |
                      |                      _James KEITH _________
                      |                     | (1696 - 1752) m 1733 
                      |_Elizabeth KEITH ____|
                        (1745 - 1821) m 1766|
                                            |_Mary Isham RANDOLPH _+
                                              (1718 - 1772) m 1733