_____________________
                                            |                     
                       _____________________|
                      |                     |
                      |                     |_____________________
                      |                                           
 _Samuel J. JOHNSTON _|
| (1827 - ....) m 1849|
|                     |                      _____________________
|                     |                     |                     
|                     |_____________________|
|                                           |
|                                           |_____________________
|                                                                 
|
|--Adella JOHNSTON 
|  (1857 - ....)
|                                            _Ambrose COBB _______+
|                                           | (1775 - 1850) m 1797
|                      _Robert L. COBB _____|
|                     | (1799 - 1859) m 1827|
|                     |                     |_Susannah BRADLEY ___+
|                     |                       (1780 - 1850) m 1797
|_Mary M. COBB _______|
  (1828 - 1866) m 1849|
                      |                      _____________________
                      |                     |                     
                      |_Ann C. LNU _________|
                        (1807 - 1879) m 1827|
                                            |_____________________