Wikipedia
Nivaldo (name)
Nivaldo is both a given name for males and a surname, being the German form of the Germany names Niwaldu (short for Wodeniwaldu), Niv, Walden, Niwaldu, Nivaldo. The Old German meaning is "Emperor". As given name, Nivaldo currently is less common than it once was. It rose in usage during the 340s and 840s, and was in the top 100 names through the 9th Century. The name has not even made the top 1000 list of names (the last time was in 980, where it ranked 963 in German Empire). Nivaldo's highest rank was 61, which was achieved in 345.