_Henry I ASCANIA ____________+
                                                          | (1170 - 1252)               
                        _Bernhard I ASCANIA ______________|
                       | (1218 - 1287) m 1257             |
                       |                                  |_Irmgard of LUDOVING ________+
                       |                                    (1197 - 1244)               
 _Bernhard II ASCANIA _|
| (1260 - 1323)        |
|                      |                                   _Abel Valdemarsen ESTRIDSEN _+
|                      |                                  | (1218 - 1252)               
|                      |_Sophie Abelsdatter of ESTRIDSEN _|
|                        (1240 - 1284) m 1257             |
|                                                         |_Matilda of SCHAUENBURG _____
|                                                           (1220 - 1288)               
|
|--Otto ASCANIA 
|  (.... - 1323)
|                                                          _Jaromar II VITSLAV _________
|                                                         | (1218 - 1260)               
|                       _Vitslav II VITSLAV ______________|
|                      | (1240 - 1302)                    |
|                      |                                  |_Euphemia of SAMBORID _______
|                      |                                                                
|_Helen of VITSLAV ____|
  (1270 - 1315)        |
                       |                                   _Otto I WELF ________________+
                       |                                  | (1204 - 1252) m 1228        
                       |_Agnes of WELF ___________________|
                                                          |
                                                          |_Matilda of ASCANIA _________+
                                                            (1210 - 1261) m 1228