_Ambrose COBB _______+
                                             | (1729 - 1797)       
                        _Robert COBB ________|
                       | (1750 - 1823) m 1774|
                       |                     |_Sarah HOWELL _______
                       |                       (1734 - 1815)       
 _Robert COBB Jr.______|
| (1777 - 1830) m 1813 |
|                      |                      _____________________
|                      |                     |                     
|                      |_Catherine Anne LNU _|
|                        (1753 - 1829) m 1774|
|                                            |_____________________
|                                                                  
|
|--Fnu COBB 
|  (1815 - ....)
|                                             _____________________
|                                            |                     
|                       _____________________|
|                      |                     |
|                      |                     |_____________________
|                      |                                           
|_Elizabeth ROBERTSON _|
   m 1813              |
                       |                      _____________________
                       |                     |                     
                       |_____________________|
                                             |
                                             |_____________________