Bragaja is almost unique, it would seem to be from Verona, it could derive from an ethnic dialectal form of the town of Braga in the Verona area, but it is also possible, if not more probable, that it derives from a nickname originated from the dialectal term archaic Lombard Lombardeto or bragaja (harnesses of horses from shooting), perhaps to indicate the profession of the progenitor.
Buy a heraldic document with your coat of arms
Verba Volant, Scripta Manent