__
                                            |  
                       _George BUSH ________|
                      | (1745 - 1810)       |
                      |                     |__
                      |                        
 _William D BUSH _____|
| (1770 - 1823) m 1790|
|                     |                      __
|                     |                     |  
|                     |_Elizabeth MARLIN ___|
|                       (1750 - ....)       |
|                                           |__
|                                              
|
|--Simon Thetford BUSH 
|  (1790 - 1825)
|                                            __
|                                           |  
|                      _____________________|
|                     |                     |
|                     |                     |__
|                     |                        
|_Mary THETFORD ______|
  (1775 - 1835) m 1790|
                      |                      __
                      |                     |  
                      |_____________________|
                                            |
                                            |__