Alni, very very rare, is typically Romagnolo, from Forlimpopoli and Forlì in the Forlì area and Ravenna, Alno, equally rare, would seem to Iesolo and Cavallino, on the border with the territory of Venice, could derive from the Latin alnus (alder), perhaps through nicknames attributed to ancestors who lived or came from an area rich in that type of arboreal essence, very frequent in the vicinity of watercourses: "... Alnus vocatur quod alatur amne; proxime enim aquae nascitur, nec facile extra undas vivit. ... ".
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