_Benedict Snivil BJÄLBO ______+
                                                              |                               
                                 _Magnus Minnesköld BJÄLBO _|
                                | (1175 - 1208)               |
                                |                             |_______________________________
                                |                                                             
 _Birger Magnusson BJÄLBO _____|
| (1200 - 1266)                 |
|                               |                              _______________________________
|                               |                             |                               
|                               |_____________________________|
|                                                             |
|                                                             |_______________________________
|                                                                                             
|
|--Rikissa Birgersdotter of BJÄLBO 
|  (1237 - 1288)
|                                                              _Canute I Eriksson ERIC _______+
|                                                             | (1150 - 1195)                 
|                                _Eric X Knutsson ERIC _______|
|                               |                             |
|                               |                             |_______________________________
|                               |                                                             
|_Ingeborg Eriksdotter of ERIC _|
  (1212 - 1254)                 |
                                |                              _Valdemar I Knudsen ESTRIDSEN _+
                                |                             | (1130 - 1182)                 
                                |_Richeza of ESTRIDSEN _______|
                                  (1190 - 1220)               |
                                                              |_Sofia of POLOVTS _____________+
                                                                (1138 - 1198)