Cognomen Yonker (Yonker 
) , around the world, is quite a rare last name. The surname Yonker is characteristic of Guatemala, where it is a rare surname, the United States, and Israel, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in the United States, Guatemala, and France. Very seldom, Yonker is the forename as well as the last name.
| mike yonker American rower, US (b. 1940) |
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| ken yonker American politician, US (b. 1956) |
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| julie e yonker researcher |
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| lael m yonker researcher |
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