occitan

Are the haplogroups for both groups nearly identical? What differences are there, if any, for both y DNA and even maternal DNA? Caesar said the aquitanians were essentially Spaniards, is that true even today when it comes to genetics and linguistics and culture? Thanks

Does anyone know anything about the surname Quezel, especially in Sorrento (or southern Italy in general)? It seems to be from the Occitan language, but then it's most common in Savoy, which is Arpitan and not Occitan. Why would a Savoyard or Occitan family move to that part of Italy, is there...