__
                                               |  
                                             __|__
                                            |     
                       _Robert IVEY ________|
                      | (1780 - ....)       |
                      |                     |   __
                      |                     |  |  
                      |                     |__|__
                      |                           
 _Marshall IVY _______|
| (1814 - 1890) m 1845|
|                     |                         __
|                     |                        |  
|                     |                      __|__
|                     |                     |     
|                     |_____________________|
|                                           |
|                                           |   __
|                                           |  |  
|                                           |__|__
|                                                 
|
|--Robert Marshal IVY 
|  (1854 - ....)
|                                               __
|                                              |  
|                                            __|__
|                                           |     
|                      _John JACKSON _______|
|                     | (1780 - 1830)       |
|                     |                     |   __
|                     |                     |  |  
|                     |                     |__|__
|                     |                           
|_Lucy A. JACKSON ____|
  (1812 - 1900) m 1845|
                      |                         __
                      |                        |  
                      |                      __|__
                      |                     |     
                      |_Sarah (Sally) ? ____|
                        (1791 - 1873)       |
                                            |   __
                                            |  |  
                                            |__|__