R1b1b2/R1b1c, R1b1b2d/R1b1c6, R1b1b2g/R1b1c9, R1b1b2h/R1b1c10
Aurignacian culture, Cro-Magnon people, Iberian Peninsula (Portugal and Spain), from Iberia to Scandinavia, Basques, Catalans, other Spanish, Béarnais, other French, British and Germans.Basques (19%), in lower frequencies among French (5%), Bavarians (3%), Spanish (2%), Southern Portuguese (2%), and in single occurrences among Romanians, Slovenians, Dutch, Belgians and English. 5 Basques and 5 Catalans. Asturias, Cantabria and Galicia, as well as again among Basques. Cases in the Azores and Latin America. Frisia (the Netherlands) UK, southern and eastern Sweden, Belgium, Switzerland, Italy. So far, only sporadically  it appears in Spain (Spanish ancestry), Poland and Lithuania (Polish or Ashkenazim), Finland (Swedish) and Romania (Romanian). Alpine Germany and Switzerland. Ethnoancestry's commercial and research branches have shown that S28 is found from Greece westward to the Bay of Biscay in France. It appears to follow the distribution of the La Tene Celtic peoples. The percentages here are much less than found in the Alps. It has yet to be found anywhere in Ireland or Spain. Northern Italy seems to be a meeting place for both S21 and S28.