_George DENT ________+
                                              |                     
                         _John DENT __________|
                        |                     |
                        |                     |_Anne HERBERT _______
                        |                                           
 _Thomas Marshall DENT _|
|                       |
|                       |                      _____________________
|                       |                     |                     
|                       |_Sarah MARSHALL _____|
|                                             |
|                                             |_____________________
|                                                                   
|
|--Mary Ann DENT 
|  
|                                              _____________________
|                                             |                     
|                        _____________________|
|                       |                     |
|                       |                     |_____________________
|                       |                                           
|_Anne MAGRUDER ________|
                        |
                        |                      _____________________
                        |                     |                     
                        |_____________________|
                                              |
                                              |_____________________