______________________
                       |                      
 _William GALBRAITH ___|
|  m 1772              |
|                      |______________________
|                                             
|
|--Ann GALBRAITH 
|  (1773 - ....)
|                       _John GALBRAITH ______+
|                      | (1708 - 1769)        
|_Catherine GALBRAITH _|
  (1751 - 1815) m 1772 |
                       |_Catherine MCCARTER? _
                         (.... - 1778)