Family name Biørn (Biørn 
) , globally, is a very rare surname. The surname Biørn is characteristic of Northern Europe, particularly Norway, where it is a rare surname, and Denmark, where it is a very rare surname. Very seldom, Biørn is the forename as well as the last name.
| biørn christian lund (b. 1738) |
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nils andreas biørn Norwegian priest and contributing editor (b. 1807) |
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| andreas riegelsen biørn DK (b. 1748) |
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bodil biørn Christian missionaries, NO (b. 1871) |
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| ludvig marinus biørn (b. 1834) |
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kirsten biørn Norwegian painter (1900-1990), NO (b. 1900) |
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| per biørn Danish opera singer (1887-1944) (b. 1887) |
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| biørn biørnstad NO (b. 1892) |
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