Brunaldi, very very rare, is specific to the people of Ferrara, Argenta Ferrara and Voghiera, Brunialdi, almost unique, it would appear from the Lombard, Piedmontese area, Brunialti instead, however very rare, is specific to the Trentino, Vicenza area, they should all come from the medieval name Brunealdus, or Brunaldus, Italianization of the Germanic name Brunalt.
Buy a heraldic document with your coat of arms
You may be interested
Verba Volant, Scripta Manent