Seneca the Younger AD Agrippina married her uncle Claudius, and through her influence Seneca was recalled to Rome. Agrippina gained the praetorship for Seneca and appointed him tutor to her son, the future emperor Nero. From AD 54 to 62, Seneca acted as Nero's advisor, together with the praetorian prefect Sextus Afranius Burrus. One byproduct of his new position was that Seneca was appointed suffect consul in 56. Seneca's influence was said to have been especially strong in the first year. Seneca composed Nero's accession speeches in which he promised to restore proper legal procedure and authority to the Senate. He also composed
Agrippina the Elder was made "princeps". While Germanicus was administering the oath of fealty to Tiberius, a mutiny began among the forces on the Rhine. During the mutiny, Agrippina brought out their sixth child, Gaius, and made preparations to take him away to a safer town nearby. He was in a full army outfit including the legionary hobnailed boots ("caligae"). These military-booties earned Gaius the nickname "Caligula" (lit. "little boots"), and garnered sympathy for Agrippina and the child among the soldiery. Tacitus attributes her actions as having quelled the mutiny (Tacitus, "Annals" 1.40–4). Once the mutiny was put to an end, Germanicus allowed