_John BLACK __________
                                                | (1750 - 1814) m 1778 
                       _William Marshall BLACK _|
                      | (1782 - 1846) m 1817    |
                      |                         |_Michel MARSHALL _____+
                      |                           (1760 - 1844) m 1778 
 _John BLACK _________|
| (1820 - ....) m 1845|
|                     |                          _Charles L. COBBS Sr._+
|                     |                         | (1735 - 1798) m 1758 
|                     |_Mary Ann COBBS _________|
|                       (1798 - 1874) m 1817    |
|                                               |_Ann WALTON __________+
|                                                 (1739 - 1810) m 1758 
|
|--Susan A. BLACK 
|  (1845 - ....)
|                                                ______________________
|                                               |                      
|                      _________________________|
|                     |                         |
|                     |                         |______________________
|                     |                                                
|_Robina TRENT _______|
  (1824 - ....) m 1845|
                      |                          ______________________
                      |                         |                      
                      |_________________________|
                                                |
                                                |______________________