_Henry VI HOHENSTAUFEN ___+
                                                       | (1165 - 1197)            
                           _Frederick II HOHENSTAUFEN _|
                          | (1194 - 1250)              |
                          |                            |_Constance of SICILY _____
                          |                              (1154 - 1198)            
 _Henry VII HOHENSTAUFEN _|
| (1211 - 1241) m 1225    |
|                         |                             _Alfonso II BARCELONA ____+
|                         |                            | (1156 - 1196) m 1173     
|                         |_Constance of BARCELONA ____|
|                           (1179 - 1222)              |
|                                                      |_Sancha of IVREA _________+
|                                                        (1154 - 1208) m 1173     
|
|--Frederick HOHENSTAUFEN 
|  (.... - 1251)
|                                                       _Leopold V BABENBERG _____+
|                                                      | (1157 - 1194)            
|                          _Leopold VI BABENBERG ______|
|                         | (1176 - 1230) m 1203       |
|                         |                            |_Helena of ÁRPÁD _______+
|                         |                              (1155 - 1199)            
|_Margaret of BABENBERG __|
  (1245 - 1285) m 1225    |
                          |                             _Isaac Komnenos VATATZES _+
                          |                            | (.... - 1196) m 1190     
                          |_Theodora ANGELOS __________|
                            (1190 - 1246) m 1203       |
                                                       |_Anna Komnenos ANGELOS ___+
                                                         (1176 - 1212) m 1190