_Johann Nicholas FIRESTONE _
                                                     | (1735 - 1807)              
                              _Mathias FIRESTONE Sr._|
                             | (1777 - 1850) m 1798  |
                             |                       |_Eva Catharina SCHWAB ______
                             |                         (1739 - 1828)              
 _David Jefferson FIRESTONE _|
| (1807 - 1890) m 1830       |
|                            |                        _James HILL ________________
|                            |                       |                            
|                            |_Mary HILL ____________|
|                              (1773 - 1836) m 1798  |
|                                                    |_Sarah UNKNOWN _____________
|                                                                                 
|
|--Mary FIRESTONE 
|  (1838 - ....)
|                                                     ____________________________
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|                             _______________________|
|                            |                       |
|                            |                       |____________________________
|                            |                                                    
|_Elizabeth DERRICK _________|
  (1813 - 1890) m 1830       |
                             |                        ____________________________
                             |                       |                            
                             |_______________________|
                                                     |
                                                     |____________________________