_William HERBERT ____+
                                               | (1572 - 1654)       
                          _Percy HERBERT ______|
                         | (1598 - 1666)       |
                         |                     |_Eleanor PERCY ______
                         |                       (1581 - 1651)       
 _William HERBERT _______|
| (1626 - 1696)          |
|                        |                      _____________________
|                        |                     |                     
|                        |_Elizabeth CRAVEN ___|
|                          (1599 - 1662)       |
|                                              |_____________________
|                                                                    
|
|--Frances HERBERT 
|  (1659 - 1732)
|                                               _Henry SOMERSET _____+
|                                              | (1577 - 1646) m 1600
|                         _Edward SOMERSET ____|
|                        | (1601 - 1667) m 1628|
|                        |                     |_Anne RUSSELL _______
|                        |                       (1578 - 1639) m 1600
|_Elizabeth of SOMERSET _|
  (1634 - 1689)          |
                         |                      _____________________
                         |                     |                     
                         |_Elizabeth DORMER ___|
                           (1614 - 1635) m 1628|
                                               |_____________________