Nielsen Hayden genealogy
Family: Arend / Jolanthe (F12471)
m. Aft 1400Jan I (1310-1369) 
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Guyote van IJsselstein ( -1371)
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| Friedrich VIII (1328-1397)
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| Jolanthe of Jülich ( -1387)
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| Arend (1340-1409)
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| Jolanthe ( -1434)
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Jan II (1385-1451)  |