_John P. MACKEY _________
                                                    |  m 1830                 
                            _James Samuel MACKEY ___|
                           | (1836 - ....) m 1865   |
                           |                        |_Phebe ALEXANDER ________
                           |                           m 1830                 
 _Alexander Burton MACKEY _|
| (1871 - ....) m 1897     |
|                          |                         _Jesse Alexander BURTON _
|                          |                        | (1807 - 1886) m 1834    
|                          |_Margaret Macon BURTON _|
|                            (1836 - 1886) m 1865   |
|                                                   |_Damaris COBBS __________+
|                                                     (1809 - 1853) m 1834    
|
|--Susan M. MACKEY 
|  (1910 - ....)
|                                                    _________________________
|                                                   |                         
|                           _Henry MORTON __________|
|                          |                        |
|                          |                        |_________________________
|                          |                                                  
|_Agnes Lockett MORTON ____|
  (1872 - ....) m 1897     |
                           |                         _________________________
                           |                        |                         
                           |_Susan DANIEL __________|
                                                    |
                                                    |_________________________