_William GIBSON _____+
                                            | (1705 - 1771)       
                       _John GIBSON ________|
                      | (1725 - 1776) m 1748|
                      |                     |_____________________
                      |                                           
 _John GIBSON ________|
| (1758 - 1830) m 1779|
|                     |                      _____________________
|                     |                     |                     
|                     |_Mary DUNCAN ________|
|                       (1725 - 1807) m 1748|
|                                           |_____________________
|                                                                 
|
|--Parthenia GIBSON 
|  
|                                            _____________________
|                                           |                     
|                      _Gideon HOGG ________|
|                     | (1720 - 1793)       |
|                     |                     |_____________________
|                     |                                           
|_Judith HOGG ________|
  (1759 - 1845) m 1779|
                      |                      _____________________
                      |                     |                     
                      |_Judith PITTMAN _____|
                        (1726 - 1793)       |
                                            |_____________________