Agrippina the Younger and stepfather in 50. Lucius' name was changed to "Nero Claudius Caesar Drusus Germanicus" and he became Claudius's adopted son, heir and recognised successor. Agrippina and Claudius betrothed Nero to Octavia, and Agrippina arranged to have Seneca the Younger return from exile to tutor the future emperor. Claudius chose to adopt Nero because of his Julian and Claudian lineage. Agrippina deprived Britannicus of his heritage and further isolated him from his father and succession for the throne in every way possible. For instance, in 51, Agrippina ordered the execution of Britannicus' tutor Sosibius because he had confronted her and was
Agrippina the Elder the soldiers to deal with the ringleaders, which they did with brutal severity. He then led them against the Germanic tribes, perhaps in an effort to prevent future mutiny. Germanicus would remain in Gaul fighting against the Germanic tribes until AD 16, at which time he was recalled to Rome by Tiberius. His campaigns won him much renown among the Roman people, and he was awarded a triumph on 26 May AD 17. In AD 18, Agrippina left for the eastern provinces with her family. Germanicus was sent the east to govern the provinces, the same assignment her father was