________________________
                                            |                        
                       _Amos SUMNER ________|
                      | (1786 - ....)       |
                      |                     |________________________
                      |                                              
 _George J. SUMNER ___|
| (1822 - ....) m 1845|
|                     |                      ________________________
|                     |                     |                        
|                     |_____________________|
|                                           |
|                                           |________________________
|                                                                    
|
|--Ada SUMNER 
|  (1846 - ....)
|                                            _Samuel COBBS __________+
|                                           | (1750 - 1801) m 1768   
|                      _John COBBS _________|
|                     | (1773 - ....)       |
|                     |                     |_Elizabeth Ann MUMFORD _+
|                     |                       (1747 - ....) m 1768   
|_Amelia R. COBBS ____|
  (1822 - ....) m 1845|
                      |                      _King GRAVES ___________+
                      |                     | (1750 - 1791) m 1782   
                      |_Frances GRAVES _____|
                        (1782 - 1857)       |
                                            |_Mary GILL _____________
                                              (.... - 1807) m 1782