Surname Kolkman (Kolkman 
) , in the entire world, is quite a rare family name. The family name Kolkman is characteristic of Western Europe, particularly Netherlands, where it is quite a common surname, Switzerland, where it is a rare surname, and Belgium. Measured by absolute frequency, it is commonest in Netherlands, Indonesia, and the United States.
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| Kolkman | Indonesia, Belgium, United States, Canada, Netherlands |
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maximilien joseph caspar marie kolkman Dutch politician (1853-1924), NL (b. 1853) |
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| hendrik kolkman member of the Volksraad, NL (b. 1886) |
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| fré kolkman Dutch football player (1888-1983), NL (b. 1888) |
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| joop kolkman Dutch diplomat, Righteous Among the Nations (1896-1944), NL (b. 1896) |
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| jaap kolkman Dutch writer, NL (b. 1912) |
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martijn kolkman Dutch radio dj, NL (b. 1978) |
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| bart kolkman Dutch association football player, NL (b. 1945) |
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ilse kolkman NL (b. 1997) |
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| ton kolkman (b. 1950) |
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| simon kolkman Dutch rower, NL (b. 1977) |
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| jeroen j kolkman researcher (ORCID 0000-0002-0442-827X) |
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| joost a kolkman researcher (ORCID 0000-0002-9621-3646) |
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| annemieke kolkman researcher |
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| frank kolkman Dutch artist, NL |
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| j j evelien kolkman researcher |
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