_Eric I Svendsson ESTRIDSEN _______+
                                                             | (1060 - 1103)                     
                                 _Canute Lavard ESTRIDSEN ___|
                                | (1095 - 1130) m 1116       |
                                |                            |_Boedil THURGOTSDATTER ____________
                                |                                                                
 _Valdemar I Knudsen ESTRIDSEN _|
| (1130 - 1182)                 |
|                               |                             _Mstislav I Vladimirovich RURIK ___+
|                               |                            | (1076 - 1132)                     
|                               |_Ingeborg of RURIK _________|
|                                  m 1116                    |
|                                                            |_Christina Ingesdotter of STENKIL _+
|                                                              (.... - 1121)                     
|
|--Ingeborg of ESTRIDSEN 
|  (1174 - 1237)
|                                                             ___________________________________
|                                                            |                                   
|                                _Volodar Glebovich POLOVTS _|
|                               |  m 1135                    |
|                               |                            |___________________________________
|                               |                                                                
|_Sofia of POLOVTS _____________|
  (1138 - 1198)                 |
                                |                             _Boleslaw III Wrymouth PIAST ______+
                                |                            | (1086 - 1138)                     
                                |_Richeza of PIAST __________|
                                  (1116 - 1156) m 1135       |
                                                             |_Salomea OF BERG __________________