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Helena Přemyslid of Znojmo was born 1145 to Conrad II of Znojmo (c1094-aft1161) and Maria of Serbia (?-aft1189) and died circa 1204 of unspecified causes. She married Casimir II the Just of Poland (1138-1194) 1163 JL . Charlemagne (747-814), Alfred the Great (849-899)/s, Charlemagne (747-814)/s.
Children
| Offspring of Helena of Znojmo and Casimir II the Just of Poland (1138-1194) | |||
| Name | Birth | Death | Joined with |
| Maria of Poland (1164-1194) | 1164 | 1194 | Vsevolod IV Svyatoslavich of Kiev (c1157-1212) |
| Casimir of Poland (c1165-1167) | |||
| Bolesław of Poland (c1169-1182) | |||
| Odon of Poland (c1171-c1172) | |||
| Adelaide of Poland (c1181-1211) | |||
| Leszek the White of Poland (c1186-1227) | 1186 | 1227 | Gremyslava of Lutsk (c1190-1258) |
| Konrad of Poland (c1188-1247) | 1188 | 1247 | Agafia of Rus (c1192-c1248) |
