__
                                            |  
                       _David GREER Sr._____|
                      | (1760 - 1855)       |
                      |                     |__
                      |                        
 _John M. GREER ______|
| (1810 - 1884) m 1852|
|                     |                      __
|                     |                     |  
|                     |_Mary Ann SIMS ______|
|                       (1790 - ....)       |
|                                           |__
|                                              
|
|--Mary Elizabeth GREER 
|  (1855 - 1927)
|                                            __
|                                           |  
|                      _____________________|
|                     |                     |
|                     |                     |__
|                     |                        
|_Emily C. DAVIS _____|
  (1823 - ....) m 1852|
                      |                      __
                      |                     |  
                      |_____________________|
                                            |
                                            |__