Cognomen Wijnker (Wijnker 
) , in the world, is a rare family name. The last name Wijnker is habitual in Netherlands, where it is quite a rare surname, Belgium, where it is a rare surname, and Israel, where it is a very rare surname.
| VARIANT | COUNTRY |
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| Wijnker | Belgium, Netherlands, Israel, Canada, Spain |
| catherina wijnker Dutch Righteous Among the Nations, NL (b. 1919) |
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| igor wijnker Dutch journalist, NL (b. 1972) |
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| erik wijnker researcher |
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| joris j wijnker researcher (ORCID 0000-0002-2658-7087) |
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