_Casimir II PIAST ___________________+
| (1138 - 1194)
_Konrad I PIAST _______________|
| (1188 - 1247) |
| |_Helen of PŘEMYSLID ________________+
| (1141 - 1202)
_Casimir I PIAST _____|
| (1211 - 1267) |
| | _Svyatoslav III Igorevich OLGOVICHI _
| | | (1176 - 1211)
| |_Agafia Svyatoslavna of RURIK _|
| |
| |_Yaroslava Rurikovna RURIK __________+
|
|
|--Casimir II PIAST
| (1261 - 1294)
| _Mieszko IV PIAST ___________________+
| | (1130 - 1211)
| _Casimir I PIAST ______________|
| | (1179 - 1230) |
| | |_ LUDMILA ___________________________
| |
|_Euphrosyne of PIAST _|
(1228 - 1292) |
| _____________________________________
| |
|_ VIOLA _______________________|
|
|_____________________________________