Cognomen Gruiescu (Gruiescu 
) , in the entire world, is a rare family name. The last name Gruiescu is habitual in Romania, where it is a rare surname, Italy, where it is an extremely rare surname, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Gruiescu | Italy, Canada, Romania |
| constantin gruiescu Romanian boxer, RO (b. 1945) |
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