Family name Knols (Knols 
) , throughout the world, is a rare surname. The cognomen Knols is habitual in Western Europe, particularly Netherlands, where it is a rare surname, Belgium, and Switzerland, where it is a very rare surname. In absolute terms, it most frequently occurs in Western Europe, particularly Netherlands, Belgium, and Germany.
| VARIANT | COUNTRY |
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| Knols | Germany, Belgium, Switzerland, United States, Netherlands |
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bart knols malariologist |
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| bart g. j. knols (b. 1965) |
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| ruud h knols researcher |
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| bart g j knols |
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| a. knols NL |
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Mr, Diana, Lotte, Johan, Tonny, Hanny, Frank, Irene, Martin, Marcel, Remie, Michel, Sylvia, Andrea, Connie, Ceriel, Jeroen, Jeanot, Yvonne, Barbara, Patrick, Sheela, Etienne, Kevin, Indy, Ann, Pim, Ger, Luc, Jan, Jos, Nel, Wim, Mira, Marjo, Anja, Bram, Budi, Kyra, Lars, Jean, Jill, Timo, Hans, Henk, Bart, and Marianne