Aimi is specific to the Parma area of Parma and Fidenza in particular, Aimo is specific to the Cuneo area, to Mondovì in particular, Aimone is more typically Turin, Aimoni, very very rare, it would seem Lombard, but almost certainly following transfers from Piedmont, Ajmo and Ajmone, absolutely rare, are probably remnants of ancient spellings of the same surnames, all derived from the Germanic name Aimo, Aimone of which we have an example in the Lombard period in this Charta Convenientiae of the year 768: "In nomine Domini. Regnantes dominis nostris Desiderius et Adelchis filio eius ueris excelentissimis et a Deo conserbatis magnis regibus, anno regnis eorum in Of nominations eleven and ninth, canteens ianoario, for indictione sexta; feliciter. presbiterum ... ", with this name we remember Aimone di Savoia (15 December 1291 - 22 June 1343), traces of these surnames as s and we find in the Brescia area since 1100, with Ardiccio degli Aimoni, born in Vobarno (BS) at war with the Bishop of Brescia Arimanno.
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