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 Agrippina the Elder merely standing on a bridge waving the soldiers passing by, whereas her daughter eclipses her by presiding over a military tribunal and accepting gifts from foreign ambassadors. Tacitus also records serious tension between Agrippina and Livia. He describes Livia as having visited "stepmotherly provocations" on Agrippina. He says of Agrippina: "were it not that through her moral integrity and love for her husband she converted an otherwise ungovernable temper to the good" (Tacitus, "Annals" 1.33). Despite being sympathetic to her as a victim of imperial oppression, he uses expressions like "excitable", "arrogant", "proud", "fierce", "obstinate", and "ambitious"