_______________________
                                            |                       
                       _George DUCKWORTH ___|
                      | (1807 - 1845) m 1831|
                      |                     |_______________________
                      |                                             
 _Elijah DUCKWORTH ___|
| (1839 - 1911) m 1857|
|                     |                      _Ambrose Pinkney COBB _+
|                     |                     | (1775 - 1850) m 1803  
|                     |_Catherine COBB _____|
|                       (1807 - ....) m 1831|
|                                           |_Mary Jane ALCORN _____
|                                             (1775 - 1850) m 1803  
|
|--Adna DUCKWORTH 
|  
|                                            _______________________
|                                           |                       
|                      _____________________|
|                     |                     |
|                     |                     |_______________________
|                     |                                             
|_Sarah BULLARD ______|
   m 1857             |
                      |                      _______________________
                      |                     |                       
                      |_____________________|
                                            |
                                            |_______________________