His surname at birth, if any, is disputed. Some sources have him as "Niccolò Fontana", but others claim that the only support for this is a will in which he named a brother, Zuampiero Fontana, as heir, and point out that this does not imply he had the same surname.
His surname at birth if any is disputed Some sources have him as "Niccolò Fontana" but others claim that the only support for this is a will in which he named a brother Zuampiero Fontana as heir and point out that this does not imply he had the same surname