Ponteggia is specific to Terni, Pontiggia is very widespread in Lombardy, in Milan, Como, Lecco, Bergamo and Sondriese, with a stump also in Genoa, Pontigia, very very rare, has a small strain in Brescia and Milan, should derive from Dialectal nicknames probably originated from a touty character of the ancestor or the fact that it was of an exaggerated precision and pointiness.
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