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
Roman Emperors during the Fall of the Western Empire Zeno was temporarily displaced in Constantinople by Verina's brother ("i.e.", Leo I's brother-in-law and Leo II's great uncle-in-law) "Basiliscus", but regained his position as emperor a year later. On his death, Ariadne married the court functionary "Anastasius I", and thereby elevated him to Emperor by virtue of marrying the Empress. Roman Emperors during the Fall of the Western Empire The office of Roman Emperor underwent significant turbulence in the fourth and fifth centuries, particularly under the period of the Dominate. In the West, where the fall of the Western Roman Empire was underway, its holders became puppets of a succession