_Vratislaus I PŘEMYSLID _+
                                                      | (0888 - 0920) m 0906     
                             _Boleslaus I PŘEMYSLID _|
                            | (0915 - 0967)           |
                            |                         |_Drahomíra of STODOR ____
                            |                            m 0906                  
 _Boleslaus II PPŘEMYSLID _|
| (0930 - 0998)             |
|                           |                          __________________________
|                           |                         |                          
|                           |_Biagota of UNKNOWN _____|
|                             (0901 - ....)           |
|                                                     |__________________________
|                                                                                
|
|--Oldřich PŘEMYSLID 
|  (0975 - 1034)
|                                                      __________________________
|                                                     |                          
|                            _________________________|
|                           |                         |
|                           |                         |__________________________
|                           |                                                    
|_Adiva of UNKNOWN _________|
                            |
                            |                          __________________________
                            |                         |                          
                            |_________________________|
                                                      |
                                                      |__________________________