_____________________
                                              |                     
                       _Richard FERGUSON _____|
                      | (1851 - ....)         |
                      |                       |_____________________
                      |                                             
 _Kelly FERGUSON _____|
| (1862 - 1933) m 1887|
|                     |                        _Alden WILLIAMSON ___+
|                     |                       | (1815 - 1876) m 1833
|                     |_Mary Jane WILLIAMSON _|
|                       (1851 - ....)         |
|                                             |_Clarissa MARCUM ____
|                                               (1820 - 1876) m 1833
|
|--Andrew Jackson FERGUSON 
|  (1900 - ....)
|                                              _____________________
|                                             |                     
|                      _______________________|
|                     |                       |
|                     |                       |_____________________
|                     |                                             
|_Elizabeth MARCUM ___|
  (1861 - ....) m 1887|
                      |                        _____________________
                      |                       |                     
                      |_______________________|
                                              |
                                              |_____________________