_______________________
                                               |                       
                       _John T. GLENN _________|
                      |                        |
                      |                        |_______________________
                      |                                                
 _Luther John GLENN __|
| (1818 - 1886) m 1839|
|                     |                         _______________________
|                     |                        |                       
|                     |________________________|
|                                              |
|                                              |_______________________
|                                                                      
|
|--Sarah Cobb GLENN 
|  (1846 - 1926)
|                                               _John Addison COBBS ___+
|                                              | (1740 - 1803) m 1769  
|                      _John Addison COBB _____|
|                     | (1783 - 1855) m 1812   |
|                     |                        |_Mildred LEWIS ________+
|                     |                          (1750 - 1791) m 1769  
|_Mildred Lewis COBB _|
  (1820 - 1900) m 1839|
                      |                         _Thomas Reade ROOTES __
                      |                        | (1763 - 1824)         
                      |_Sarah Robinson ROOTES _|
                        (1792 - 1866) m 1812   |
                                               |_Sarah Ring BATTAILLE _
                                                 (1765 - 1811)