_Daniil Romanovich RURIK ______+
                                                      | (1201 - 1264)                 
                            _Leo I Daniilovich RURIK _|
                           | (1228 - 1301)            |
                           |                          |_Anna MSTISLAVNA ______________
                           |                            (.... - 1252)                 
 _Yuri I Levanovich RURIK _|
| (1252 - 1307)            |
|                          |                           _Bela IV ÁRPÁD ______________+
|                          |                          | (1206 - 1270)                 
|                          |_Constance of ÁRPÁD ____|
|                            (1237 - 1302)            |
|                                                     |_Maria LASKARIS _______________+
|                                                       (1206 - 1270)                 
|
|--Leo II Yuryevich RURIK 
|  
|                                                      _Konrad I PIAST _______________+
|                                                     | (1188 - 1247)                 
|                           _Casimir I PIAST _________|
|                          | (1211 - 1267)            |
|                          |                          |_Agafia Svyatoslavna of RURIK _+
|                          |                                                          
|_Euphemia of PIAST _______|
  (1265 - 1307)            |
                           |                           _Casimir I PIAST ______________+
                           |                          | (1179 - 1230)                 
                           |_Euphrosyne of PIAST _____|
                             (1228 - 1292)            |
                                                      |_Viola of UNKNOWN _____________