Alvise, Alviso and Alvisio are practically unique, Alvisi typical of Emilia / Romagna, with a main nucleus in Bologna in Bologna and Imola, and in the neighboring areas of Ferrara, Ravenna, in particular Faenza, and Forlì, especially in Cesena, Alvisini is from Lazio , of Fiamignano (RI) and of Rome, they should derive from the medieval name Alvisus (Alvise, an archaic form of Luigi), of which we have an illustrious example in the year 1146: "... Ego Alvisus, Dei miseratione Atrebatensis episcopus, tam futuris quam praesentibus, in perpetuum ... ".
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