Nielsen Hayden genealogy
Family: St. Olaf II Haraldsson, King of Norway / Astrid Olafsdotter (F535)
Harald Grenske ( -995) |
Olof Skötkonung, King of Sweden (965-1020) 
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| St. Olaf II Haraldsson, King of Norway (995-1030)
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Astrid Olafsdotter ( -1035)
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Úfhildr Ólafsdóttir (1020-1070)  |