Barenco, extremely rare, would seem to be from La Spezia, Barengo would seem to be specific to Mazzè (TO) with a stock also in the Rovigoto, Barenghi has a Magenta nucleus and Abbiategrasso should derive from the toponym Barengo (NO), but it is also possible in some cases to derive from having done the forefather the commission of Barengo il Barengo in the Renaissance era was a sort of papal chancellor: "... And I was told by a person who heard that his sanctity commanded the Barengo to make a more powerful bubble company and stronger than we can ... ... and the most illustrious of Naples commissioned the bishop of Thilesia to say so to Barengo to make them brief ... ", as we read in the Dispatches from Rome to the Doge and the Senate sent in 1558 by Bernardo Navagero. additions provided by Giovanni Vezzelli Piedmontese surname derived from the toponym Barengo, Novara, in the Baréngh dialect; = Belingum (- vicus), a. 1025-36; from 1200 onwards it was called Barengum. Massia (Names Novaresi, VI, 15 and IX, 3), together with the Barengo of Mazzè, Ivrea, and that of Montiglio, Asti, think it is perhaps referable to the personal Celtic name 'Belus'. However, the Germanic personal 'Barino' or 'Bering', registered by Förstemann, can compete.
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