_Ambrose COBB _______+
                                            | (1729 - 1797)       
                       _Ambrose COBB _______|
                      | (1761 - 1824) m 1783|
                      |                     |_Sarah HOWELL _______
                      |                       (1734 - 1815)       
 _Ambrose COBB _______|
| (1794 - ....) m 1810|
|                     |                      _Thomas BLACK _______
|                     |                     | (.... - 1779) m 1765
|                     |_Rachel BLACK _______|
|                       (1765 - 1854) m 1783|
|                                           |_Elizabeth LNU ______
|                                              m 1765             
|
|--Joseph COBB 
|  (1837 - ....)
|                                            _____________________
|                                           |                     
|                      _____________________|
|                     |                     |
|                     |                     |_____________________
|                     |                                           
|_Mary LNU ___________|
  (1794 - ....) m 1810|
                      |                      _____________________
                      |                     |                     
                      |_____________________|
                                            |
                                            |_____________________