:''Jovinus is a Roman
cognomen, most often used for a 5th century Roman usurper emperor. This article is about the Roman usurper. For the saint, see
Saint Jovinus. For the Frankish duke, see
Jovinus of Provence.''
'Jovinus' was a
Gallo-Roman
senator and claimed to be
Roman Emperor (
411 -
413).
Following the defeat of the
usurper known with the name of
Constantine III, Jovinus was proclaimed emperor at
Mainz in
411, a puppet supported by
Gundahar, king of the
Burgundians, and
Goar, king of the
Alans. Jovinus kept his position in Gaul for two years, long enough to issue coinage that showed him wearing the imperial
diadem. He was supported by a number of local Gallo-Roman nobles who had survived Constantine's defeat.
Under the pretext of Jovinus' imperial authority, Gundahar and his Burgundians established themselves on the left bank of the Rhine (the Roman side) between the river
Lauter and the
Nahe. Here they founded a kingdom with the old Romanized Gaulish settlement of Borbetomagus (
Worms) as its capital.
Jovinus' end came after the
Visigoths under
Ataulf left Italy (at
Priscus Attalus' advice), ostensibly to join him, carrying with them as hostages the ex-emperor Attalus and
Galla Placidia, Honorius' half-sister. Then Ataulf attacked and killed
Sarus, who had also come to support Jovinus. Jovinus, offended at this act, then failed to consult Ataulf when he elevated his brother
Sebastianus as co-emperor. Insulted, Ataulf allied his Visigoths with
Honorius, and they defeated Jovinus' troops. Sebastianus was executed. Jovinus fled for his life, but was besieged and captured in Valentia (
Valence, Drôme) and taken to Narbo (
Narbonne), where
Postumus Dardanus, the praetorian prefect (governor) in Gaul, who had remained loyal to Honorius, had him executed. Jovinus' and Sebastianus' heads were afterwards sent to Honorius and mounted on the walls of
Ravenna (before being passed on to
Carthage, were they were put on permanent display with the heads of four other usurpers).
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