It’s not an exclusive proposition, both forms exist as family names.
TOPOnymic. The patronymic part was the “de ser Piero”, lit. “master Peter’s son” or “Sir Peter’s son”.
It’s not an exclusive proposition, both forms exist as family names.
TOPOnymic. The patronymic part was the “de ser Piero”, lit. “master Peter’s son” or “Sir Peter’s son”.
You can call him Leo, or you can call him Nardo…