_Boleslaus II PPŘEMYSLID _+
                                                   | (0930 - 0998)             
                           _Oldřich PŘEMYSLID ___|
                          | (0975 - 1034)          |
                          |                        |_Adiva of UNKNOWN _________
                          |                                                    
 _Bretislav I PŘEMYSLID _|
| (1002 - 1054)           |
|                         |                         ___________________________
|                         |                        |                           
|                         |_Božena of UNKNOWN ____|
|                           (.... - 1052)          |
|                                                  |___________________________
|                                                                              
|
|--Otto I PŘEMYSLID 
|  (1045 - 1087)
|                                                   ___________________________
|                                                  |                           
|                          _Henry SCHWEINFURT _____|
|                         | (0970 - 1017)          |
|                         |                        |___________________________
|                         |                                                    
|_Judith of SCHWEINFURT __|
  (1003 - 1058)           |
                          |                         _Herbert CONRADINE ________+
                          |                        | (0930 - 0992)             
                          |_Gerberga of CONRADINE _|
                            (0970 - 1036)          |
                                                   |_Irmtrud of AVALGAU _______
                                                     (0957 - 1020)