_Robert COBBS _______+
                                            | (1687 - 1769) m 1724
                       _Ambrose COBB _______|
                      | (1729 - 1797)       |
                      |                     |_Crosia FRITH _______
                      |                       (1691 - 1768) m 1724
 _Ambrose COBB _______|
| (1761 - 1824) m 1783|
|                     |                      _____________________
|                     |                     |                     
|                     |_Sarah HOWELL _______|
|                       (1734 - 1815)       |
|                                           |_____________________
|                                                                 
|
|--Robert COBB 
|  (1794 - ....)
|                                            _____________________
|                                           |                     
|                      _Thomas BLACK _______|
|                     | (.... - 1779) m 1765|
|                     |                     |_____________________
|                     |                                           
|_Rachel BLACK _______|
  (1765 - 1854) m 1783|
                      |                      _____________________
                      |                     |                     
                      |_Elizabeth LNU ______|
                         m 1765             |
                                            |_____________________