Cognomen Koelman (Koelman 
) , in the world, is quite a rare surname. The family name Koelman is habitual in Netherlands, where it is quite a rare surname, Belgium, where it is a rare surname, and South Africa.
| VARIANT | COUNTRY |
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| Koelman | Germany, South Africa, United States, Belgium, Netherlands |
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jacobus koelman (b. 1632) |
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philip koelman Italian painter Dutch painter (1818-1893), NL (b. 1818) |
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johan hendrik koelman Dutch artist, 1820-1887, NL (b. 1820) |
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| johan daniël koelman Dutch painter, NL (b. 1831) |
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| romolo koelman Dutch painter, IT (b. 1847) |
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| werner koelman Belgian politician and lawyer, BE (b. 1890) |
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rudolf koelman Dutch violinist, NL (b. 1959) |
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| luuk koelman Dutch columnist, NL (b. 1964) |
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| robert jan koelman Ph.D. Katholieke Universiteit Nijmegen 1991 |
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| koelman jhtm researcher |
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| vianney koelman Ph.D. Technische Universiteit Eindhoven 1988 |
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| ellie koelman Dutch graphic artist, NL |
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| jozefien koelman NL |
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| jan hendrik koelman |
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| mandy koelman NL (b. 1989) |
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