_____________________
                                                          |                     
                              _ STRATSIMIR _______________|
                             |                            |
                             |                            |_____________________
                             |                                                  
 _Ivan Alexander STRATSIMIR _|
| (.... - 1370)              |
|                            |                             _ SHISHMAN __________
|                            |                            | (.... - 1308)       
|                            |_Keratsa Petritsa SHISHMAN _|
|                                                         |
|                                                         |_____________________
|                                                                               
|
|--Keratsa-Maria of SHISHMAN 
|  
|                                                          _____________________
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|                             ____________________________|
|                            |                            |
|                            |                            |_____________________
|                            |                                                  
|_Sara-Theodora of TARNOVO __|
                             |
                             |                             _____________________
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                             |____________________________|
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