_Konrad I PIAST _______________+
                                                 | (1188 - 1247)                 
                        _Casimir I PIAST ________|
                       | (1211 - 1267)           |
                       |                         |_Agafia Svyatoslavna of RURIK _+
                       |                                                         
 _Ziemomysl PIAST _____|
| (1245 - 1287)        |
|                      |                          _Henry II PIAST _______________+
|                      |                         | (1196 - 1241)                 
|                      |_Constance of PIAST _____|
|                        (1221 - 1256)           |
|                                                |_Anne of PŘEMYSLID ___________+
|                                                  (1203 - 1265)                 
|
|--Kazimierz III PIAST 
|  (1280 - 1345)
|                                                 _Mestwin I SAMBORID ___________+
|                                                | (1160 - 1219)                 
|                       _Sambor II SAMBORID _____|
|                      | (1211 - 1278)           |
|                      |                         |_Swinisława of GRIFFIN _______+
|                      |                                                         
|_Salomea of SAMBORID _|
  (1233 - 1269)        |
                       |                          _Henry Borwin II MECKLENBURG __+
                       |                         | (1170 - 1226)                 
                       |_Matilda of MECKLENBURG _|
                         (.... - 1270)           |
                                                 |_Christina of SVERKER _________+
                                                   (.... - 1248)