______________________
                                              |                      
                         _William LOWTHER ____|
                        |                     |
                        |                     |______________________
                        |                                            
 _Tristram LOWTHER _____|
|                       |
|                       |                      ______________________
|                       |                     |                      
|                       |_Barbara GERGORY ____|
|                                             |
|                                             |______________________
|                                                                    
|
|--Maria Louise LOWTHER 
|  
|                                              _William DAWSON ______+
|                                             | (1704 - 1789)        
|                        _John DAWSON ________|
|                       | (1730 - 1770)       |
|                       |                     |_Mary Randolph STITH _+
|                       |                       (1711 - 1779)        
|_Penelope Eden DAWSON _|
                        |
                        |                      _Gabriel JOHNSTONE ___
                        |                     |                      
                        |_Mary JOHNSTONE _____|
                          (1720 - ....)       |
                                              |_Penelope EDEN _______+