_Henry II NASSAU _______+
                                                           | (1180 - 1247)          
                                      _Otto I NASSAU ______|
                                     | (1224 - 1289)       |
                                     |                     |_Matilda of WASSENBERG _
                                     |                       (.... - 1247)          
 _Henry NASSAU-SIEGEN _______________|
| (1270 - 1343) m 1302               |
|                                    |                      ________________________
|                                    |                     |                        
|                                    |_Agnes of LEININGEN _|
|                                      (.... - 1299)       |
|                                                          |________________________
|                                                                                   
|
|--Otto II NASSAU-SIEGEN 
|  (1305 - 1350)
|                                                           ________________________
|                                                          |                        
|                                     _____________________|
|                                    |                     |
|                                    |                     |________________________
|                                    |                                              
|_Adelaide of HEINSBERG-BLANKENBURG _|
  (.... - 1343) m 1302               |
                                     |                      ________________________
                                     |                     |                        
                                     |_____________________|
                                                           |
                                                           |________________________