Antonius Natalis ( AD 65) was an ancient Roman of the equestrian order who took part in the Pisonian conspiracy against Nero. As a conspirator, he provided Gaius Calpurnius Piso with secretive information regarding the emperor.Tacitus, Annals 15.50 After Flavius Scaevinus's freedman, Milichus, alerted Nero of Piso's conspiracy, Natalis, having met with Scaevinus that day, was suspected of being involved.Tacitus, Annals 15.54 When he was questioned, Natalis disclosed information vital to the conspiracy, thereby avoiding punishment.Tacitus, Annals 15.60-61 Sources