Antonia Minor Caligula, Agrippina the Younger, Julia Drusilla, Julia Livilla and later Claudia Antonia, Claudius's daughter through his second wife Aelia Paetina, her younger grandchildren. She outlived her husband, her oldest son, her daughter and several of her grandchildren. In 31 AD, Antonia exposed a plot by her daughter Livilla and Tiberius’ notorious Praetorian prefect, Sejanus, to murder the Emperor Tiberius and Caligula and to seize the throne for themselves. Livilla had allegedly poisoned her husband, Tiberius' son, Drusus Julius Caesar (nicknamed "Castor") to remove him as a rival. Sejanus was executed on Tiberius’ orders, and Livilla was handed over to her
Agrippina the Younger word of her survival after the boat sank from her freedman Agermus. Panicking, Nero ordered a guard to 'surreptitiously' drop a blade behind Agermus and Nero immediately had him arrested on account of attempted murder. Nero ordered the assassination of Agrippina. He made it look as if Agrippina had committed suicide after her plot to kill Nero had been uncovered. After Agrippina's death, Suetonius says that Nero examined Agrippina's corpse and discussed her good and bad points. It is said that Nero believed Agrippina to haunt him after her death. The tale of Cassius Dio is also somewhat different. It