_Adolph NASSAU _______________+
                                                         | (1255 - 1298)                
                             _Gerlach I NASSAU __________|
                            | (1275 - 1360)              |
                            |                            |_Imagina of ISENBURG-LIMBURG _
                            |                              (1255 - 1313)                
 _Adolph I NASSAU __________|
| (1307 - 1369) m 1332      |
|                           |                             _Henry HESSE _________________+
|                           |                            | (1265 - 1298)                
|                           |_Agnes of HESSE ____________|
|                             (1290 - ....)              |
|                                                        |_Agnes of WITTELSBACH ________+
|                                                          (1276 - 1345)                
|
|--John I NASSAU 
|  (1353 - 1420)
|                                                         _Frederick III HOHENZOLLERN __+
|                                                        | (1220 - 1297) m 1275         
|                            _Frederick IV HOHENZOLLERN _|
|                           | (1287 - 1332)              |
|                           |                            |_Helene of ASCANIA ___________+
|                           |                              (1247 - 1309) m 1275         
|_Margaret of HOHENZOLLERN _|
  (1317 - 1382) m 1332      |
                            |                             ______________________________
                            |                            |                              
                            |_Margareta of GÖRZ ________|
                              (1290 - 1348)              |
                                                         |______________________________