Etymology
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From Old Norse Eysteinn.
Proper noun
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Oystein m
- a male given name
Usage notes
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Patronymics
- son of Oystein: Oysteinsson
- daughter of Oystein: Oysteinsdóttir
Declension
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Singular
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Indefinite
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| Nominative
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Oystein
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| Accusative
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Oystein
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| Dative
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Oysteini
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| Genitive
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Oysteins
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