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Cognomen Tjoelker (Tjoelker ) , all around the world, is a rare family name. The family name Tjoelker is habitual in Netherlands, where it is quite a rare surname, Denmark, where it is a very rare surname, and the United States. Not in comparison with a country's population, it is commonest in Netherlands, the United States, and Canada.
VARIANT | COUNTRY |
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Tjoelker | Netherlands, Canada, Germany, United States, Denmark |