_Boleslaw III Wrymouth PIAST _____+
                                              | (1086 - 1138)                    
                       _Władysław II PIAST _|
                      | (1105 - 1159)         |
                      |                       |_Zbyslava Sviatopolkova of RURIK _+
                      |                         (1085 - 1114)                    
 _Mieszko IV PIAST ___|
| (1130 - 1211)       |
|                     |                        _Leopold III BABENBERG ___________+
|                     |                       | (1073 - 1136)                    
|                     |_Agnes of BABENBERG ___|
|                       (1108 - 1162)         |
|                                             |_Agnes of SALIAN _________________+
|                                               (1072 - 1143)                    
|
|--Casimir I PIAST 
|  (1179 - 1230)
|                                              __________________________________
|                                             |                                  
|                      _______________________|
|                     |                       |
|                     |                       |__________________________________
|                     |                                                          
|_Ludmila of UNKNOWN _|
                      |
                      |                        __________________________________
                      |                       |                                  
                      |_______________________|
                                              |
                                              |__________________________________