Surname Koeken (Koeken 
) , across the world, is a rare last name. The family name Koeken is characteristic of Western Europe, particularly Netherlands, where it is quite a rare surname, Austria, where it is a rare surname, and Belgium. Very seldom, Koeken is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Koeken | Belgium, Japan, Austria, Netherlands, Germany |
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cees koeken Dutch bicycle racer, NL (b. 1948) |
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| valerie a c m koeken researcher |
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| liesbeth koeken |
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| waut koeken |
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Mr, Erik, Hein, Waut, Marij, Stijn, Arian, Adrie, A J M, A C J, Corne, Kevin, Peter, Robin, Jamie, Joost, Nelis, Frank, Oktay, Marcel, Nick, Joao, John, Ludo, M J, Ard, Rob, Roy, Rik, Leo, Jan, Jos, J M, Sandra, Tom, Ine, Kees, Kyra, Paul, Piet, Rian, Dave, Lars, Leny, Eva, and Steven