Nielsen Hayden genealogy
Family: Mieszko I of Oppeln / Ludmilla (F17323)
m. Between 1170 and 1178Wladislaw II, King of Poland (1105-1159) 
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Agnes of Babenberg (1110-1157)
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Boleslaw I of Silesia (1130-1201)  |
| Richeza of Poland (1135-1185) |
| Mieszko I of Oppeln (1132-1221)
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| Ludmilla ( -1210) |
| Kasimir I of Oppeln (1176-1230) |