Auctoritas is the word his enemies would have called it potentia. […] Calpurnius Piso was a business man called Calventius from that colony, Cicero, In Pisonem fr. […] His father was called Cn. […] Pedius, a knight’s son, legate in the Gallic and Civil Wars, and a mysterious person called L. […] 3 As Mommsen called it, Ges.