That is what is belived by historians. I will know for sure in a couple of weeks when I get my DNA results from the Carvajal Genealogy Project.
So far I know that I came from the Canary Islands which is Curbelo. My Curbelo contact in the Canaries know that we came from the Azores Islands which is part of Portugal and the spelling there was Curvello. back to mainland Portugal it is Carvelho/Corvelho an back to Carvajal in Spain.
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and I will foward you the project.
We are helping write are history book.