| Casimir PIAST (ABT 1162 - 1 MAR 1166/67) |
| Casimir PIAST (Duke of Opole, Bytom) (BET 1253 AND 1257 - 10 MAR 1311/12) |
| Casimir I PIAST (Duke of Poland) (25 JUL 1016 - 28 NOV 1058) |
| Casimir I PIAST (Duke of Opole-Racibórz) (BET 1179 AND 1180 - 13 MAY 1230) |
| Casimir I PIAST (ABT 1211 - 14 DEC 1267) |
| Casimir I PIAST (Duke of Cieszyn) (BET 1280 AND 1290 - ABT 29 SEP 1358) |
| Casimir I PIAST (BET 1329 AND 1331 - BET 26 NOV AND 5 DEC 1355) |
| Casimir II PIAST (High Duke of Poland, Duke of Masovia) (ABT 1138 - 5 MAY 1194) |
| Casimir II PIAST (BET 1261 AND 1262 - 10 JUN 1294) |
| Casimir III PIAST (King of Poland) (30 APR 1310 - 5 NOV 1370) |
| Christian PIAST (19 APR 1618 - 28 FEB 1671/72) |
| Constance of PIAST (BET 1221 AND 1227 - 23 FEB 1256/57) |
| Constance of PIAST (BET 1245 AND 1246 - 8 OCT 1281) |
| Cunigunde of PIAST (____ - ABT 1357) |
| Cymburgis of PIAST (BET 1394 AND 1397 - 28 SEP 1429) |
| Czcibor PIAST (____ - AFT 24 JUN 972) |
| Dytryk PIAST (AFT 992 - AFT 1032) |
| Elisabeth of PIAST (ABT 1232 - 16 JAN 1264/65) |
| Elisabeth of PIAST (1263 - 28 SEP 1304) |
| Elizabeth of PIAST (ABT 1152 - 2 APR 1209) |
| Elizabeth of PIAST (1305 - 29 DEC 1380) |
| Elizabeth of PIAST (BET 1315 AND 1320 - ABT 22 AUG 1345) |
| Elizabeth of PIAST (1326 - 1361) |
| Elizabeth Richeza of PIAST (1 SEP 1288 - 19 OCT 1335) |
| Euphemia of PIAST (ABT 1230 - 15 FEB 1280/81) |
| Euphemia of PIAST (ABT 1265 - 18 MAR 1307/08) |
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