Last name Brethouwer (Brethouwer 
) , in all the world, is a rare family name. The family name Brethouwer is characteristic of Netherlands, where it is quite a rare surname, Australia, where it is a very rare surname, and the United States. Measured by absolute frequency, this name is the most popular in Netherlands, the United States, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Brethouwer | Australia, Germany, France, United States, Netherlands |
| harmen brethouwer Dutch painter, NL (b. 1960) |
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| elly brethouwer NL (b. 1959) |
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| geert brethouwer Ph.D. Technische Universiteit Delft 2001 |
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