Lavia has a stock in the Udine area that could derive from the toponym Lavia, locality of Fagagna (UD) and one in the Cosenza area, Lavio and Laviani are very rare, Laviano, quite rare, has a stock in Naples, one in the Potentino and one in Sicily in the Catania area and in Francavilla di Sicilia (ME), in some cases it could derive from the toponym Laviano (SA), but more probably they derive from the Latin gens Lavia.
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