__
                                            |  
                       _____________________|
                      |                     |
                      |                     |__
                      |                        
 _Andrew DUNCAN ______|
| (1720 - 1762) m 1741|
|                     |                      __
|                     |                     |  
|                     |_____________________|
|                                           |
|                                           |__
|                                              
|
|--Elizabeth DUNCAN 
|  (1748 - 1835)
|                                            __
|                                           |  
|                      _John JENNET ________|
|                     | (1698 - 1748)       |
|                     |                     |__
|                     |                        
|_Jane JENNET ________|
  (1720 - 1791) m 1741|
                      |                      __
                      |                     |  
                      |_____________________|
                                            |
                                            |__