_Robert COBB ________+
                                            | (1672 - 1727) m 1696
                       _Benjamin COBB ______|
                      | (1709 - 1757) m 1742|
                      |                     |_Katherine CURTEIS __
                      |                       (1676 - 1751) m 1696
 _Benjamin COBB ______|
| (1753 - 1835) m 1783|
|                     |                      _Allen GREBELL ______
|                     |                     | (.... - 1742)       
|                     |_Catherine GREBELL __|
|                       (1722 - 1785) m 1742|
|                                           |_____________________
|                                                                 
|
|--Robert COBB 
|  (1796 - ....)
|                                            _____________________
|                                           |                     
|                      _Elias SMITH ________|
|                     |                     |
|                     |                     |_____________________
|                     |                                           
|_Jane SMITH _________|
  (1767 - 1799) m 1783|
                      |                      _____________________
                      |                     |                     
                      |_Jane LAKE __________|
                                            |
                                            |_____________________