Lucius Aelius Seianus or Sejanus (20 BCE-31 CE) was the commander of the praetorian guard under the emperor Tiberius (14-37 CE). Coming from an obscure equestrian family, he managed to become one of the closest advisor of Tiberius, hoping to become his successor or a regent to a young heir. After the death of Drusus, Tiberius' son, he started to persecute all his possible rivals, a task he made...https://www.worldhistory.org/sejanus/ #PraetorianGuard #Sejanus #Tiberius