_Magnus Minnesköld BJÄLBO _+
                                                                 | (1175 - 1208)               
                                 _Birger Magnusson BJÄLBO ______|
                                | (1200 - 1266)                  |
                                |                                |_____________________________
                                |                                                              
 _Vlademar BJÄLBO _____________|
| (1239 - 1302) m 1260          |
|                               |                                 _Eric X Knutsson ERIC _______+
|                               |                                |                             
|                               |_Ingeborg Eriksdotter of ERIC __|
|                                 (1212 - 1254)                  |
|                                                                |_Richeza of ESTRIDSEN _______+
|                                                                  (1190 - 1220)               
|
|--Marina Valdemarsdotter of BJÄLBO 
|  (.... - 1285)
|                                                                 _Valdemar II ESTRIDSEN ______+
|                                                                | (1170 - 1241)               
|                                _Eric IV Valdemarsen ESTRIDSEN _|
|                               | (1216 - 1250)                  |
|                               |                                |_Berengaria BURGUNDY ________+
|                               |                                  (1198 - 1221)               
|_Sophia Eriksdatter ESTRIDSEN _|
  (1241 - 1286) m 1260          |
                                |                                 _Albert I ASCANIA ___________+
                                |                                | (1175 - 1260) m 1222        
                                |_Judith of ASCANIA _____________|
                                  (1223 - 1266)                  |
                                                                 |_Agnes of BABENBERG _________+
                                                                   (1204 - 1226) m 1222