_Poppo I WEIMAR _____+
                                            | (.... - 1044)       
                       _Ulric I of WEIMAR __|
                      | (.... - 1069)       |
                      |                     |_Hadamut of UNKNOWN _
                      |                                           
 _Poppo II WEIMAR ____|
| (.... - 1098)       |
|                     |                      _Béla I ÁRPÁD ____+
|                     |                     | (1015 - 1063) m 1033
|                     |_Sophia of ÁRPÁD __|
|                       (1050 - 1095)       |
|                                           |_Richeza of PIAST ___+
|                                             (1013 - 1075) m 1033
|
|--Sophia of WEIMAR 
|  
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                      |                     |                     
                      |_____________________|
                                            |
                                            |_____________________