_Presian I KRUM _____+
                                            |                     
                       _Boris I KRUM _______|
                      | (.... - 0907)       |
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 _Simeon I KRUM ______|
| (0864 - 0927)       |
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|                     |_Maria of UNKNOWN ___|
|                                           |
|                                           |_____________________
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|--Peter I KRUM 
|  (.... - 0969)
|                                            _____________________
|                                           |                     
|                      _____________________|
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|                     |                     |_____________________
|                     |                                           
|_Maria SURSUVUL _____|
                      |
                      |                      _____________________
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                      |_____________________|
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