______________________________
                                                      |                              
                             _________________________|
                            |                         |
                            |                         |______________________________
                            |                                                        
 _Thomas Ruggles PYNCHON Jr_|
| (1937 - ....)             |
|                           |                          ______________________________
|                           |                         |                              
|                           |_________________________|
|                                                     |
|                                                     |______________________________
|                                                                                    
|
|--Jackson PYNCHON 
|  
|                                                      ______________________________
|                                                     |                              
|                            _William Eldred JACKSON _|
|                           |                         |
|                           |                         |______________________________
|                           |                                                        
|_Melanie JACKSON __________|
                            |
                            |                          _Archibald Bulloch ROOSEVELT _+
                            |                         | (1894 - 1979)                
                            |_Nancy Dabney ROOSEVELT _|
                              (1923 - 2010)           |
                                                      |_Grace LOCKWOOD ______________+