Nielsen Hayden genealogy
Family: Nikolaus I of Schwerin-Wittenburg / Miroslava of Pomerania (F13209)
m. Between 1285 and 1290Günzel III of Schwerin (1214-1274) 
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Margareta von Mecklenburg ( -1274)
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| Barnim I of Pomerania (1210-1278)
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| Mathilde von Brandenburg (1248-1316)
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| Nikolaus I of Schwerin-Wittenburg ( -1323)
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| Miroslava of Pomerania ( -1327)
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Anastasia of Schwerin-Wittenburg ( -1314)  |