__
                                                                  |  
                                             _John DUCK __________|__
                                            | (1760 - 1840)          
                       _Jonathan DUCK ______|
                      | (1788 - 1885)       |
                      |                     |                      __
                      |                     |                     |  
                      |                     |_____________________|__
                      |                                              
 _Jeptha DUCK ________|
| (1824 - ....)       |
|                     |                                            __
|                     |                                           |  
|                     |                      _____________________|__
|                     |                     |                        
|                     |_Bathsheba WOODWARD _|
|                       (1793 - 1872)       |
|                                           |                      __
|                                           |                     |  
|                                           |_____________________|__
|                                                                    
|
|--Martha DUCK 
|  (1846 - ....)
|                                                                  __
|                                                                 |  
|                                            _____________________|__
|                                           |                        
|                      _____________________|
|                     |                     |
|                     |                     |                      __
|                     |                     |                     |  
|                     |                     |_____________________|__
|                     |                                              
|_Winney ? ___________|
  (1827 - ....)       |
                      |                                            __
                      |                                           |  
                      |                      _____________________|__
                      |                     |                        
                      |_____________________|
                                            |
                                            |                      __
                                            |                     |  
                                            |_____________________|__