When was the  Roman politician and general died during who's reign Gaius Nasennius were soldiers?
Nasennia (gens) The gens Nasennia was an obscure plebeian family at Rome. None of the Nasennii held any of the higher offices of the Roman state, and the family is best known from Gaius Nasennius, a soldier in the time of Caesar. Many other Nasennii are known from inscriptions.
Sejanus Lucius Aelius Sejanus (June 3, 20 BC – October 18, AD 31), commonly known as Sejanus ( ), was an ambitious soldier, friend and confidant of the Roman Emperor Tiberius. An equestrian by birth, Sejanus rose to power as prefect of the Roman imperial bodyguard, known as the Praetorian Guard, of which he was commander from AD 14 until his death in AD 31.