Julio-Claudian dynasty reign as being strongly influenced by his mother Agrippina, his tutor Seneca, and the Praetorian Prefect Burrus, especially in the first year. He was made Emperor over his step-brother, Claudius' son Britannicus, who he had killed. Agrippina was believed to have poisoned Claudius, having allegedly poisoned her second husband Gaius Sallustius Crispus Passienus. She had also arranged the deaths of Caligula's third wife, Lollia Paulina and Messalina's mother Domitia Lepida the Younger. She saw that the dynasty's numbers dwindle with the execution of Marcus Junius Silanus Torquatus, a grandson of Julia the Younger, to strengthen Nero's claim, having previously arranged
645 Agrippina Roman history. Agrippina the Elder (14 BCE – 33) was the daughter of the Roman statesman Marcus Vipsanius Agrippa, the wife of Germanicus and the mother of the Emperor Caligula. Her daughter, Agrippina the Younger (15–59 AD) was the mother of Emperor Nero. The naming might be influenced by the two letters of the provisional designation "1907 AG". In the "Dictionary of Minor Planet Names", Lutz Schmadel supposes that the name originated from a list of female names from mythology and history, compiled by the Astronomisches Rechen-Institut (ARI) in 1913. The ARI then sent this list to a number of