Interesting discussion about the origin being in Canaan, and the cluster in Sardinia, given the documented Phoenician/Carthaginian connection, is support for it, but it's all supposition. (The fact that this subclade is so rare in Sardinia rather undercuts the argument. It could have wandered in later.)
The presence in Iberia is connected to Jews if I understand them.
I don't understand the heat map cluster in Germany. Ashkenazi Jews?
I only skimmed the article, so keep that in mind. :)
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