_Henry I PIAST ______________________+
                                                      | (1165 - 1237)                       
                       _Henry II PIAST _______________|
                      | (1196 - 1241)                 |
                      |                               |_Hedwig of ANDECHS __________________+
                      |                                 (1174 - 1243)                       
 _Henry III PIAST ____|
| (1227 - 1266)       |
|                     |                                _Ottokar I PŘEMYSLID _______________+
|                     |                               | (1155 - 1230)                       
|                     |_Anne of PŘEMYSLID ___________|
|                       (1203 - 1265)                 |
|                                                     |_Constance of ÁRPÁD _______________+
|                                                       (1180 - 1240)                       
|
|--Hedwig of PIAST 
|  (1256 - 1300)
|                                                      _Casimir II PIAST ___________________+
|                                                     | (1138 - 1194)                       
|                      _Konrad I PIAST _______________|
|                     | (1188 - 1247)                 |
|                     |                               |_Helen of PŘEMYSLID ________________+
|                     |                                 (1141 - 1202)                       
|_Judith of PIAST ____|
  (1222 - 1257)       |
                      |                                _Svyatoslav III Igorevich OLGOVICHI _
                      |                               | (1176 - 1211)                       
                      |_Agafia Svyatoslavna of RURIK _|
                                                      |
                                                      |_Yaroslava Rurikovna RURIK __________+