"reveles"
(from the Spanish verb revelar)

re·ve·lar Verb
Translate "revelar" to English:
reveal, disclose, bare, bespeak, blow the lid off, deliver, divulge, expose, exteriorize, give away, give indications of, surface, uncover, unveil, lay open, unbosom

the above is from:
http://www.wordmagicsoft.com/dictionary/es-en/reveles.php

Based on the fact that it is a Spanish word, I wouldn't discount Spain as another possibility for the ethnic origins of Reveles familly surname.

Haplogroup V is also said to originate in the area around the Iberian Peninsula, which includes Spain.