_Francis THORNTON Jr_+
                                             | (1681 - 1703)       
                       _Francis THORNTON III_|
                      | (1714 - 1748) m 1736 |
                      |                      |_Mary TALIAFERRO ____
                      |                                            
 _William THORNTON ___|
| (1742 - 1800) m 1775|
|                     |                       _Roger GREGORY ______
|                     |                      |                     
|                     |_Frances GREGORY _____|
|                        m 1736              |
|                                            |_Mildred WASHINGTON _+
|                                              (1696 - 1747)       
|
|--William THORNTON Jr
|  (1773 - ....)
|                                             _____________________
|                                            |                     
|                      ______________________|
|                     |                      |
|                     |                      |_____________________
|                     |                                            
|_Martha STUART ______|
   m 1775             |
                      |                       _____________________
                      |                      |                     
                      |______________________|
                                             |
                                             |_____________________