______________________
                                                      |                      
                              _Thomas Martin CLARK ___|
                             | (1799 - 1871) m 1821   |
                             |                        |______________________
                             |                                               
 _Charles Christopher CLARK _|
| (1840 - ....) m 1867       |
|                            |                         _John Croton COBBS ___+
|                            |                        | (1774 - 1853) m 1803 
|                            |_Susan Elizabeth COBBS _|
|                              (1806 - 1889) m 1821   |
|                                                     |_Martha Rebecca HUNT _+
|                                                       (1777 - 1815) m 1803 
|
|--Mary L. CLARK 
|  (1870 - ....)
|                                                      ______________________
|                                                     |                      
|                             ________________________|
|                            |                        |
|                            |                        |______________________
|                            |                                               
|_Betty F. LNU ______________|
  (1841 - ....) m 1867       |
                             |                         ______________________
                             |                        |                      
                             |________________________|
                                                      |
                                                      |______________________