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
Vipsania Agrippina Vipsania Agrippina Vipsania Agrippina (; 36 BC – 20 AD) was the first wife of the Emperor Tiberius. She was the daughter of Marcus Vipsanius Agrippa and Pomponia Caecilia Attica, granddaughter of Titus Pomponius Atticus. By marriage, she was a great-niece to Quintus Tullius Cicero. She was betrothed by Augustus and her father to Tiberius, the stepson of Augustus, before her first birthday. They were married around 19 BC. Their son Drusus Julius Caesar was born in 14 BC. Her father died in March 12 BC while married to his third wife Julia the Elder, the daughter of Augustus. Augustus