Surname Karstensen (Karstensen 
) , in the world, is quite a rare last name. The last name Karstensen is characteristic of Norway, where it is quite a common surname, Denmark, where it is quite a rare surname, and Germany, where it is a rare surname.
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| Karstensen | Germany, Sweden, Norway, United States, Denmark |
Carstensen, and Карстенсен
| kristen karstensen (b. 1809) |
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| asger karstensen Danish autobiographer, DK (b. 1874) |
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| per karstensen Norwegian politician, NO (b. 1915) |
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| randi karstensen Norwegian speed skater (1921-2012), NO (b. 1921) |
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| johannes karstensen researcher, ORCID id # 0000-0001-5044-7079, DE (b. 1965) |
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| anna-amalie kjær karstensen Danish association football player |
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| julie katrine karstensen researcher |
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| tine celine karstensen Norwegian association football player |
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