______________________________________
                                              |                                      
                         _William MARBURY ____|
                        | (1446 - 1508)       |
                        |                     |______________________________________
                        |                                                            
 _Robert MARBURY _______|
| (1487 - 1545)         |
|                       |                      _Thomas BLOUNT II_____________________+
|                       |                     | (1414 - 1468)                        
|                       |_Anne BLOUNT ________|
|                         (1454 - 1537)       |
|                                             |_Margaret Catherine Clifton FELBRIGG _
|                                               (1425 - 1467)                        
|
|--William MARBURY 
|  (1524 - 1581)
|                                              ______________________________________
|                                             |                                      
|                        _____________________|
|                       |                     |
|                       |                     |______________________________________
|                       |                                                            
|_Katherine WILLIAMSON _|
  (1503 - 1525)         |
                        |                      ______________________________________
                        |                     |                                      
                        |_____________________|
                                              |
                                              |______________________________________