_Boleslaus II PŔEMYSLID _+
                                                   | (0930 - 0998)            
                           _Oldřich PŘEMYSLID ___|
                          | (0975 - 1034)          |
                          |                        |_Adiva ___________________
                          |                                                   
 _Bretislav I PŘEMYSLID _|
| (1002 - 1054)           |
|                         |                         __________________________
|                         |                        |                          
|                         |_Božena _______________|
|                                                  |
|                                                  |__________________________
|                                                                             
|
|--Spytihněv II PŘEMYSLID 
|  (1031 - 1060)
|                                                   __________________________
|                                                  |                          
|                          _Henry SCHWEINFURT _____|
|                         | (0970 - 1017)          |
|                         |                        |__________________________
|                         |                                                   
|_Judith of SCHWEINFURT __|
  (1003 - 1058)           |
                          |                         _Herbert CONRADINE _______+
                          |                        | (0930 - 0992)            
                          |_Gerberga of CONRADINE _|
                            (0970 - 1036)          |
                                                   |_Irmtrud of AVALGAU ______
                                                     (0957 - 1020)