_Drury WARREN Sr.____
                                              |  m 1807             
                         _John J. WARREN _____|
                        | (1808 - 1838) m 1826|
                        |                     |_Sarah JAMISON ______
                        |                        m 1807             
 _Drury J. WARREN ______|
| (1831 - 1901) m 1848  |
|                       |                      _Ambrose COBB _______+
|                       |                     | (1775 - 1850) m 1797
|                       |_Sarah COBB _________|
|                         (1809 - 1897) m 1826|
|                                             |_Susannah BRADLEY ___+
|                                               (1780 - 1850) m 1797
|
|--John M. WARREN 
|  (1856 - 1882)
|                                              _____________________
|                                             |                     
|                        _William B. ROBERTS _|
|                       | (1798 - ....)       |
|                       |                     |_____________________
|                       |                                           
|_Elizabeth A. ROBERTS _|
  (1831 - 1858) m 1848  |
                        |                      _____________________
                        |                     |                     
                        |_____________________|
                                              |
                                              |_____________________