_Valdemar II ESTRIDSEN _+
                                                          | (1170 - 1241)          
                             _Abel Valdemarsen ESTRIDSEN _|
                            | (1218 - 1252)               |
                            |                             |_Berengaria BURGUNDY ___+
                            |                               (1198 - 1221)          
 _Eric I Abelsen ESTRIDSEN _|
| (1241 - 1272)             |
|                           |                              ________________________
|                           |                             |                        
|                           |_Matilda of SCHAUENBURG _____|
|                             (1220 - 1288)               |
|                                                         |________________________
|                                                                                  
|
|--Margaret Eriksdatter of ESTRIDSEN 
|  
|                                                          ________________________
|                                                         |                        
|                            _____________________________|
|                           |                             |
|                           |                             |________________________
|                           |                                                      
|_Margaret of VITSLAV ______|
  (1247 - 1272)             |
                            |                              ________________________
                            |                             |                        
                            |_____________________________|
                                                          |
                                                          |________________________