_Ambrose COBB _______+
                                              | (1729 - 1797)       
                         _Ambrose COBB _______|
                        | (1761 - 1824) m 1783|
                        |                     |_Sarah HOWELL _______
                        |                       (1734 - 1815)       
 _Radford Maxwell COBB _|
| (1805 - ....) m 1826  |
|                       |                      _Thomas BLACK _______
|                       |                     | (.... - 1779) m 1765
|                       |_Rachel BLACK _______|
|                         (1765 - 1854) m 1783|
|                                             |_Elizabeth LNU ______
|                                                m 1765             
|
|--William COBB 
|  (1831 - ....)
|                                              _____________________
|                                             |                     
|                        _____________________|
|                       |                     |
|                       |                     |_____________________
|                       |                                           
|_Letitia BLACK ________|
  (1810 - ....) m 1826  |
                        |                      _____________________
                        |                     |                     
                        |_____________________|
                                              |
                                              |_____________________