_Sweyn II ESTRIDSEN _________+
                                                               | (1019 - 1076)               
                               _Niels I Svendsson ESTRIDSEN ___|
                              | (1065 - 1134)                  |
                              |                                |_____________________________
                              |                                                              
 _Magnus I Nielsen ESTRIDSEN _|
| (1106 - 1134)               |
|                             |                                 _Inge I Stenkilsson STENKIL _+
|                             |                                | (.... - 1105)               
|                             |_Margaret Fredkulla of STENKIL _|
|                               (1080 - 1130)                  |
|                                                              |_Helena of UNKNOWN __________
|                                                                                            
|
|--Niels Magnussen ESTRIDSEN 
|  
|                                                               _Władysław I Herman PIAST _+
|                                                              | (1044 - 1102) m 1080        
|                              _Boleslaw III Wrymouth PIAST ___|
|                             | (1086 - 1138)                  |
|                             |                                |_Judith of PŘEMYSLID _______
|                             |                                  (1056 - 1086) m 1080        
|_Richeza of PIAST ___________|
  (1116 - 1156)               |
                              |                                 _____________________________
                              |                                |                             
                              |_Salomea of BERG _______________|
                                                               |
                                                               |_____________________________