_____________________
                                            |                     
                       _____________________|
                      |                     |
                      |                     |_____________________
                      |                                           
 _Joshua CHATHAM _____|
| (1828 - ....) m 1847|
|                     |                      _____________________
|                     |                     |                     
|                     |_____________________|
|                                           |
|                                           |_____________________
|                                                                 
|
|--William H. CHATHAM 
|  (1849 - ....)
|                                            _James COBB _________+
|                                           | (1770 - 1805) m 1790
|                      _Enoch COBB _________|
|                     | (1800 - 1870) m 1821|
|                     |                     |_Sarah BEACH ________+
|                     |                       (1774 - 1823) m 1790
|_Sarah COBB _________|
  (1834 - ....) m 1847|
                      |                      _____________________
                      |                     |                     
                      |_Susannah SHELLEY ___|
                        (1800 - 1843) m 1821|
                                            |_____________________