The Piso family of ancient Rome was a prominent plebeian branch of the gens Calpurnia, with at least 50 prominent Roman family members recognized. Members are known into the 2nd century. Notable members: Lucius Calpurnius Piso (consul 175) Lucius Calpurnius Piso Frugi (consul 133 BC) Lucius Calpurnius Piso Caesoninus (consul 112 BC) Gaius Calpurnius Piso (consul 111) Gaius Calpurnius Piso (consul 67 BC) Marcus Pupius Piso Frugi Calpurnianus - consul 61 BC Lucius Calpurnius Piso Caesoninus -… (More on Piso)