Surname Treffers (Treffers 
) , all over the world, is quite a rare family name. The surname Treffers is characteristic of Netherlands, where it is quite a rare surname, Latvia, where it is a rare surname, and Australia. Measured by absolute frequency, it is commonest in Netherlands, the United States, and Australia.
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| Treffers | Netherlands, Canada, United States, Germany, Australia |
| antonie daniel treffers NL (b. 1859) |
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| pieter treffers university teacher (1928-2013), NL (b. 1928) |
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| jan willem treffers NL (b. 1920) |
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| philip diederik arjen treffers Dutch university teacher (1946-2015), NL (b. 1946) |
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| arnie treffers Dutch singer (1947-1995), NL (b. 1947) |
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| bert treffers Dutch art historian (1948-) (b. 1948) |
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| mark treffers New Zealand swimmer, NZ (b. 1953) |
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| emmely e treffers researcher, ORCID id # 0000-0002-3425-5525 |
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| adrie treffers Ph.D. Universiteit Utrecht 1978 |
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| ryan d treffers researcher (ORCID 0000-0001-8674-3996) |
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| ruud treffers Dutch diplomat, NL |
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| louise w treffers researcher |
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| johan treffers |
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| p. treffers |
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| piet treffers |
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