_Meinhard III GORIZIA _+
                                                  | (1200 - 1258)         
                       _Meinhard GORIZIA _________|
                      | (1238 - 1295)             |
                      |                           |_Adelaide of TYROL ____
                      |                                                   
 _Otto III GORIZIA ___|
| (1265 - 1310)       |
|                     |                            _Otto II WITTELSBACH __+
|                     |                           | (1206 - 1253)         
|                     |_Elisabeth of WITTELSBACH _|
|                       (1227 - 1273)             |
|                                                 |_Agnes of WELF ________+
|                                                   (1201 - 1267)         
|
|--ELizabeth of GORIZIA 
|  (1298 - 1352)
|                                                  _Bolesław II PIAST ___+
|                                                 | (1220 - 1278)         
|                      _Henry V PIAST ____________|
|                     | (1248 - 1295)             |
|                     |                           |_Hedwig of ASCANIA ____+
|                     |                             (.... - 1259)         
|_Euphemia of PIAST __|
                      |
                      |                            _Bolesław PIAST ______+
                      |                           | (1224 - 1279)         
                      |_Elisabeth of PIAST _______|
                        (1263 - 1304)             |
                                                  |_Yolanda of ÁRPÁD ___+
                                                    (1235 - 1298)