South Italians are about 35% Levantine, admixture came in Roman period: http://racehist.blogspot.com/2015/09/minor-sub-saharan-and-substantial.html … This is apparent when you look at any PCA:pic.twitter.com/2r1UnTzZtQ
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S. Italians cluster with Ashkenazi Jews because they have similar amounts of Middle Eastern blood. Only Sicilians are part black though(2%).