_Eric I Svendsson ESTRIDSEN _______+
                                                                 | (1060 - 1103)                     
                                 _Canute Lavard ESTRIDSEN _______|
                                | (1095 - 1130) m 1116           |
                                |                                |_Boedil THURGOTSDATTER ____________
                                |                                                                    
 _Valdemar I Knudsen ESTRIDSEN _|
| (1130 - 1182)                 |
|                               |                                 _Mstislav Vladimirovich I RURIK ___+
|                               |                                | (1076 - 1132)                     
|                               |_Ingeborg Mstislavich of RURIK _|
|                                  m 1116                        |
|                                                                |_Christina Ingesdotter of STENKIL _+
|                                                                  (.... - 1121)                     
|
|--Walburga of ESTRIDSEN 
|  (.... - 1177)
|                                                                 ___________________________________
|                                                                |                                   
|                                _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 __________________