_Mathias FIRESTONE Sr._+
                                                           | (1777 - 1850) m 1798  
                               _David Jefferson FIRESTONE _|
                              | (1807 - 1890) m 1830       |
                              |                            |_Mary HILL ____________+
                              |                              (1773 - 1836) m 1798  
 _Thomas Jefferson FIRESTONE _|
| (1844 - 1920) m 1874        |
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|                             |_Elizabeth DERRICK _________|
|                               (1813 - 1890) m 1830       |
|                                                          |_______________________
|                                                                                  
|
|--Thomas FIRESTONE 
|  (1878 - ....)
|                                                           _______________________
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|                              ____________________________|
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|                             |                                                    
|_Martha A. JOSHLIN __________|
  (1855 - ....) m 1874        |
                              |                             _______________________
                              |                            |                       
                              |____________________________|
                                                           |
                                                           |_______________________