_John V NASSAU-SIEGEN _______+
                                                        | (1455 - 1516)               
                              _William I NASSAU-SIEGEN _|
                             | (1487 - 1559)            |
                             |                          |_Elisabeth of HESSE-MARBURG _+
                             |                            (1466 - 1522)               
 _John VI NASSAU-DILLENBURG _|
| (1536 - 1606) m 1559       |
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|                            |_Juliana of STOLBERG _____|
|                              (1505 - 1580)            |
|                                                       |_____________________________
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|
|--Ernest Casimir I NASSAU-DIETZ 
|  (1573 - 1632)
|                                                        _____________________________
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|                            |                                                        
|_Elisabeth of LEUCHTENBERG _|
  (1536 - 1579) m 1559       |
                             |                           _____________________________
                             |                          |                             
                             |__________________________|
                                                        |
                                                        |_____________________________