__
                                              |  
                       _Charles ISON _________|
                      | (1744 - 1833)         |
                      |                       |__
                      |                          
 _Archibald ISON _____|
| (1780 - 1855)       |
|                     |                        __
|                     |                       |  
|                     |_Elizabeth Jane JONES _|
|                       (1744 - 1835)         |
|                                             |__
|                                                
|
|--Isom H ISON 
|  (1823 - 1880)
|                                              __
|                                             |  
|                      _Martin GILLIAM _______|
|                     | (1765 - 1834)         |
|                     |                       |__
|                     |                          
|_Mary Polly GILLIAM _|
  (1782 - 1850)       |
                      |                        __
                      |                       |  
                      |_Elizabeth ELLIS ______|
                        (1765 - 1849)         |
                                              |__