Surname Desmarestz (Desmarestz 
) , around the globe, is a very rare family name. The family name Desmarestz is habitual in France, where it is a very rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Desmarestz | France, Canada |
| mathurin desmarestz Late 17th-century French buccaneer and pirate, FR (b. 1653) |
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| erick desmarestz actor (b. 1952) |
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