Pedrelli, typical of Emilia and Romagna has strains in Parma, Bologna and Sasso Marconi and in Romagna in Cesena, Gambettola and Rimini, there is also a small stock in the Carrara area, Pedretti, typical of Lombardy and Emilia, Pedretto is unique and is a probable modification of Pedrotto, very rare and typically Piedmontese, Pedrielli is typical of BOlogna and Carpi and Modena in the Modena area, Pedrocca, very rare, has a small stock in the Varese area and one in the Brescia area, Pedrocchi would seem specific to the Lombardy area which includes the Brescia area and especially the Bergamo area, but also presents, perhaps secondary, in the Venetian area, where Pedrocco is present, which is specific to Venice, Pedrotti is widespread in Lombardy, especially in the province of Sondrio in Chiesa In Valmalenco and Ponte In Valtellina, in Gerenzano (VA) and in the province of Brescia in Edolo, Caino and Lonato, they should all derive from hypocoristic modifications of the dialectal name Peder (Pietro) or the medieval name italy no, or even Spanish, Pedro, of whose use we have an example in the Quaterni inquisitionum of December 1630 in Bormio (SO) in a trial for witchcraft: "... It was up to Prada, and there were five people with me, namely Mighina and Marta sudette, Franceschina daughter of the said Giacom of Pedro di Franceschina, the daughter of Petrogn, who is the wife of one of Pedenosso ... ".
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