Savignon is unique, Savignone, almost unique, is Piedmontese, as Savignoni, which has a small strain in Alexandria and one in Rome, should derive from French ipocoristic of the Latin name Sabinus, become Savinus thanks to the phenomenon of betacismo, but you must also Consider that they could also be just of Origin French and derive from toponyms like Sauvignon, of which there is more than one in France.
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