_Henry COBB _________+
                                                | (1794 - 1830) m 1817
                           _James F. COBB ______|
                          | (1819 - 1889) m 1842|
                          |                     |_Elizabeth SHETLEY __+
                          |                       (1799 - ....) m 1817
 _William COBB ___________|
| (1851 - 1895) m 1868    |
|                         |                      _____________________
|                         |                     |                     
|                         |_Martha DUNCAN ______|
|                           (1823 - 1908) m 1842|
|                                               |_____________________
|                                                                     
|
|--David COBB 
|  (1882 - ....)
|                                                _____________________
|                                               |                     
|                          _____________________|
|                         |                     |
|                         |                     |_____________________
|                         |                                           
|_Rebeca Elizabeth BUICE _|
  (1844 - ....) m 1868    |
                          |                      _____________________
                          |                     |                     
                          |_____________________|
                                                |
                                                |_____________________