_Richard WILLIAMSON _+
                                            | (1786 - 1872) m 1810
                       _Alden WILLIAMSON ___|
                      | (1815 - 1876) m 1833|
                      |                     |_Jane WILEY _________+
                      |                       (1791 - 1885) m 1810
 _Joseph WILLIAMSON __|
| (1836 - ....)       |
|                     |                      _____________________
|                     |                     |                     
|                     |_Clarissa MARCUM ____|
|                       (1820 - 1876) m 1833|
|                                           |_____________________
|                                                                 
|
|--Nancy WILLIAMSON 
|  (1869 - ....)
|                                            _____________________
|                                           |                     
|                      _____________________|
|                     |                     |
|                     |                     |_____________________
|                     |                                           
|_Sally RAY __________|
                      |
                      |                      _____________________
                      |                     |                     
                      |_____________________|
                                            |
                                            |_____________________