__
                                            |  
                       _John GRAVES ________|
                      | (1688 - 1756)       |
                      |                     |__
                      |                        
 _William GRAVES _____|
| (1725 - 1776) m 1750|
|                     |                      __
|                     |                     |  
|                     |_Martha ELIZABETH ___|
|                       (1690 - ....)       |
|                                           |__
|                                              
|
|--William GRAVES 
|  (1761 - 1780)
|                                            __
|                                           |  
|                      _Henry COX __________|
|                     | (1705 - 1745)       |
|                     |                     |__
|                     |                        
|_Sarah COX __________|
  (1732 - 1791) m 1750|
                      |                      __
                      |                     |  
                      |_Mary JONES _________|
                        (1704 - ....)       |
                                            |__