_William MARBURY ____
                                              | (1446 - 1508)       
                       _Robert MARBURY _______|
                      | (1487 - 1545)         |
                      |                       |_Anne BLOUNT ________+
                      |                         (1454 - 1537)       
 _William MARBURY ____|
| (1524 - 1581) m 1544|
|                     |                        _____________________
|                     |                       |                     
|                     |_Katherine WILLIAMSON _|
|                       (1503 - 1525)         |
|                                             |_____________________
|                                                                   
|
|--Robert MARBURY 
|  (1545 - ....)
|                                              _____________________
|                                             |                     
|                      _______________________|
|                     |                       |
|                     |                       |_____________________
|                     |                                             
|_Agnes LENTON _______|
  (1525 - ....) m 1544|
                      |                        _____________________
                      |                       |                     
                      |_______________________|
                                              |
                                              |_____________________