What role did Sextus Afranius Burrus play in Nero’s government?

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Sextus Afranius Burrus served as a pivotal figure in Nero’s early reign, acting as the sole prefect of the Praetorian Guard from 51 to 62 CE. Alongside the philosopher Seneca, he functioned as one of Nero’s chief advisers and was instrumental in shaping the emperor's initial policies.1

Burrus played a critical role in securing the Praetorian Guard's loyalty when Nero ascended to the throne at age 16. Working in cooperation with Seneca, he initially deferred to Agrippina the Younger but eventually succeeded in removing her from power. Although he reportedly opposed her assassination in 59 CE, he maintained the military's support for the emperor following her death. As his influence over Nero waned, his death in 62 CE—which some alleged was caused by poisoning at the emperor's hands—precipitated the resignation of Seneca.1