Siburius
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Siburius (fl. 370s), for whom only the single name survives, was a high-ranking official of the Roman Empire. He was one of several Gauls who rose to political prominence in the late 4th century as a result of the emperor Gratian's appointment of his Bordelaise tutor Ausonius to high office.[1]
Like Ausonius, Siburius came from Bordeaux. The medical writer Marcellus, their countryman, places Siburius in the company of the historian Eutropius and Julius Ausonius, father of the political scholar-poet, as peers with a literary expertise in medicine.[2]
In early 376, Siburius was magister officiorum under Gratian.[3] He succeeded Ausonius as praefectus praetorio Galliarum (praetorian prefect of Gaul) sometime before December 3, 379,[4] and held the office until 382, when he was succeeded by Mallius Theodorus.[5]
Other scanty evidence of Siburius's life comes from the correspondence of the Antiochan scholar Libanius, who has one letter addressed to him[6] and two to his son, who had the same name.[7] Libanius also mentions Siburius once elsewhere.[8] The son was proconsul of Palaestina Prima around 390.[9]