Gaius Sallustius Crispus Passienus be the end of Agrippina's villainy, for Claudius' wife, Messalina, correctly perceiving the threat from Agrippina, attempted to have Lucius assassinated, in order to ensure the succession of Britannicus, her own son by the emperor. The attempt failed, and, after procuring Passienus' death, Agrippina worked to bring about the downfall of Messalina. She then seduced her uncle, the emperor, becoming his wife, and persuaded Claudius to adopt Lucius, naming him his heir in preference to his own son. Agrippina then procured the emperor's death, placing her son, now the emperor Nero, on the throne; he soon disposed of Britannicus. Agrippina
Agrippina the Younger starts again with Poppaea as the motive behind the murder. Nero designed a ship that would open at the bottom while at sea. Agrippina was put aboard and after the bottom of the ship opened up, she fell into the water. Agrippina swam to shore so Nero sent an assassin to kill her. Nero then claimed Agrippina plotted to kill him and committed suicide. Her reputed last words, uttered as the assassin was about to strike, were "Smite my womb", the implication here being she wished to be destroyed first in that part of her body that had given birth