_______________________
                                                    |                       
                            ________________________|
                           |                        |
                           |                        |_______________________
                           |                                                
 _Hezekiah Franklin ERWIN _|
| (1811 - 1859) m 1852     |
|                          |                         _______________________
|                          |                        |                       
|                          |________________________|
|                                                   |
|                                                   |_______________________
|                                                                           
|
|--Howell Frank Cobb ERWIN 
|  (1855 - 1879)
|                                                    _John Addison COBBS ___+
|                                                   | (1740 - 1803) m 1769  
|                           _John Addison COBB _____|
|                          | (1783 - 1855) m 1812   |
|                          |                        |_Mildred LEWIS ________+
|                          |                          (1750 - 1791) m 1769  
|_Mary Willis COBB ________|
  (1828 - 1899) m 1852     |
                           |                         _Thomas Reade ROOTES __
                           |                        | (1763 - 1824)         
                           |_Sarah Robinson ROOTES _|
                             (1792 - 1866) m 1812   |
                                                    |_Sarah Ring BATTAILLE _
                                                      (1765 - 1811)