Hi i just started looking in to my partners side of the family. The Mazza come from San Michele, Morfasso, Piacenza. They are believe to be licked to the Oddi Family, poss mother of Silvio Angelo Pio Oddi later to be known as Cardinal would love to found if this is correct. I am very new to this side and have no idea how to search. Please if anyone could give me some advice on were to look. Thank you :)