__
                            |  
                          __|__
                         |     
                       __|
                      |  |
                      |  |   __
                      |  |  |  
                      |  |__|__
                      |        
 _William J. DUKE ____|
| (1811 - 1880) m 1840|
|                     |      __
|                     |     |  
|                     |   __|__
|                     |  |     
|                     |__|
|                        |
|                        |   __
|                        |  |  
|                        |__|__
|                              
|
|--George W. DUKE 
|  (1860 - ....)
|                            __
|                           |  
|                         __|__
|                        |     
|                      __|
|                     |  |
|                     |  |   __
|                     |  |  |  
|                     |  |__|__
|                     |        
|_Delila A. E. DUKE __|
  (1812 - ....) m 1840|
                      |      __
                      |     |  
                      |   __|__
                      |  |     
                      |__|
                         |
                         |   __
                         |  |  
                         |__|__