Family name Ploos (Ploos 
) , worldwide, is a very rare last name. The cognomen Ploos is characteristic of Netherlands, where it is a very rare surname, South Africa, and Canada, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Netherlands, South Africa, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Ploos | Netherlands, Canada, United States, South Africa |
| willem ploos 1529 Loosdrecht - 1603 Loosdrecht |
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| gerrit adriaenszn ploos Loosdrecht - Bef 1 May 1540 |
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| willem wouterszn ploos 1447 - Aft 1494 |
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| dirkje ploos - 1591 |
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| adriaen willemszn ploos 1478 - Aft 1 May 1540 |
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| dirk gerritsz. ploos |
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| ploos van amstel |
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