By analyzing the mtDNA of the southern population, researchers have found that they have probably come from populations in the Pyrenees in Southern France and Spain and the Cantabrian Mountains (Spain).
Dengan menganalisis mtDNA dari populasi selatan, peneliti telah menemukan bahwa mereka mungkin berasal dari populasi di Pyrenees di selatan Prancis dan Spanyol dan Pegunungan Cantabria (Spanyol).