_Ambrose COBB _______+
                                                | (1729 - 1797)       
                       _William Ambrose COBB Jr_|
                      | (1765 - 1833) m 1787    |
                      |                         |_Sarah HOWELL _______
                      |                           (1734 - 1815)       
 _Ambrose COBB _______|
| (1792 - 1863) m 1824|
|                     |                          _____________________
|                     |                         |                     
|                     |_Mary ABERNATHY _________|
|                       (1770 - 1846) m 1787    |
|                                               |_____________________
|                                                                     
|
|--Sarah M. COBB 
|  (1841 - ....)
|                                                _____________________
|                                               |                     
|                      _________________________|
|                     |                         |
|                     |                         |_____________________
|                     |                                               
|_Susan UNDERWOOD ____|
  (1810 - 1873) m 1824|
                      |                          _____________________
                      |                         |                     
                      |_________________________|
                                                |
                                                |_____________________