Flavius Honorius was born in 384 to Theodosius I and was the younger brother of Arcadius. He was declared Augustus by his father in 393 and when Theodosius died two years later, the empire was split between both brothers leaving Honorius in control of the western roman empire at age 10.
Because of his youth, he was initially forced to rely on the leadership and advice of general Stilicho and in order to remain close to the young emperor, Stilicho insisted that his daughter Maria marry Honorius.
In 405 Stilicho was able to subdue a complete invasion by barbarians into Italy but by the time that was done much of Italy was devastated.
In 408 following several more threats Honorius had Stilicho arrested and executed for reasons of plotting against Honorius. In 421, Constantius III who at the time was a general, was elected by Honorius as co-emperor but he died in 422 leaving Honorius as sole emperor once again.
Flavius Constantius began as a soldier in the roman army and attracted the attention of the emperor Honorius after several successful defensive campaigns on behalf of the Western Empire. He deterred several attacks by barbarian forces and also ended the revolt of Constantine III who was attempting to take over the throne.
Due to Honorius’ weak disposition, Constantius was able to manipulate him and influence his decisions. In 417 Constantius married the sister of Honorius and was then given the title of co-emperor and ruled over the west.
The emperor of the east, Theodosius II, refused to acknowledge Constantius’ rule but while preparing a campaign against him Constantius died suddenly.
Honorius died in 423 leaving no heir.
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