_Ambrose COBB ______________+
                                              | (1729 - 1797)              
                       _Joseph COBBS Sr.______|
                      | (1767 - 1840) m 1794  |
                      |                       |_Sarah HOWELL ______________
                      |                         (1734 - 1815)              
 _Joseph COBBS Jr.____|
| (1806 - 1885) m 1823|
|                     |                        ____________________________
|                     |                       |                            
|                     |_Mary LNU _____________|
|                       (1767 - 1856) m 1794  |
|                                             |____________________________
|                                                                          
|
|--Mary Elizabeth COBBS 
|  (1833 - ....)
|                                              _Johann Nicholas FIRESTONE _
|                                             | (1735 - 1807)              
|                      _Mathias FIRESTONE Sr._|
|                     | (1777 - 1850) m 1798  |
|                     |                       |_Eva Catharina SCHWAB ______
|                     |                         (1739 - 1828)              
|_Sarah FIRESTONE ____|
  (1804 - 1840) m 1823|
                      |                        _James HILL ________________
                      |                       |                            
                      |_Mary HILL ____________|
                        (1773 - 1836) m 1798  |
                                              |_Sarah UNKNOWN _____________