_Thorgils SPRAKELEGG _________
                                                        |                              
                       _Ulf THORGILSSON ________________|
                      | (.... - 1026)                   |
                      |                                 |______________________________
                      |                                                                
 _Sweyn II ESTRIDSEN _|
| (1019 - 1076)       |
|                     |                                  _Sweyn Haraldsson KNÝTLINGA _+
|                     |                                 | (0963 - 1013)                
|                     |_Estrid Svendsdatter KNÝTLINGA _|
|                       (0990 - 1057)                   |
|                                                       |______________________________
|                                                                                      
|
|--Svend Svendsson ESTRIDSEN 
|  (.... - 1104)
|                                                        ______________________________
|                                                       |                              
|                      _________________________________|
|                     |                                 |
|                     |                                 |______________________________
|                     |                                                                
|_____________________|
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                      |                                  ______________________________
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                      |_________________________________|
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