Cognomen Koolschijn (Koolschijn 
) , all over the world, is a rare family name. The surname Koolschijn is characteristic of Netherlands, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Koolschijn | Netherlands, United Kingdom |
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renée koolschijn Dutch rower, NL (b. 1989) |
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| gerard koolschijn Dutch writer and translator, NL (b. 1945) |
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| p cédric koolschijn researcher |
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| hugo koolschijn |
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| gerard koolschijn |
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Mr, Jelle, Nella, Hanny, Helen, Felix, Michel, Saskia, Jordy, Andrew, Marijtje, Cecilia, Beatrix, Lisanne, Hanneke, William, Wilfred, Jasper, Michelle, Guido, Cathy, C N, Bas, J H, H F, W A, Suze, Bram, Diana, Koos, Loes, Jaap, Hugo, Ilja, Marja, Stijn, Chris, Kees, and Angelique