Both Vasiente and Vasienti, are practically unique and seem to Apulian, probably of the Barese, should derive from the dialect voice Pugliese Vasient ' which indicates the Basentello, torrent tributary of the River Bradano, one of the main rivers Of Basilicata, the Valley of Basentello is in the border area between Puglia and Basilicata and should be the source of origin of the ancestor, but with the same dialect name you should also call the river Basento completely Lucano.
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