_____________________
                                              |                     
                       _______________________|
                      |                       |
                      |                       |_____________________
                      |                                             
 _Hugh JOHNSTON ______|
| (1818 - 1889) m 1841|
|                     |                        _____________________
|                     |                       |                     
|                     |_______________________|
|                                             |
|                                             |_____________________
|                                                                   
|
|--Charles Bennett JOHNSTON 
|  (1853 - ....)
|                                              _Robert RICH ________
|                                             |                     
|                      _William Bennett RICH _|
|                     | (1791 - 1864) m 1818  |
|                     |                       |_Sarah BENNETT ______
|                     |                                             
|_Matilda RICH _______|
  (1822 - ....) m 1841|
                      |                        _Henry COBB _________+
                      |                       | (1763 - 1808) m 1787
                      |_Sarah Lucy COBB ______|
                        (1798 - 1888) m 1818  |
                                              |_Elizabeth CHAPMAN __+
                                                (1767 - 1824) m 1787