Nielsen Hayden genealogy
Family: Casimir II / Helene von Znaim (F17328)
m. Between 1185 and 1186
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Boleslaw III "Wrymouth", King of Poland (1085-1138)
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Salome von Berg-Schelklingen (1100-1144)
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Richiza of Poland (1116-1155)  |
| Mieszko III, High Duke of Poland (1126-1202) |
| Agnieszka of Poland (1137-1183) |
| Marija of Serbia ( -1191)
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| Casimir II (1138-1194)
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| Helene von Znaim ( -1202)
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| Konrad I of Masovia (1187-1247) |