 Complete the following phrase:  Flavius Honorius 9 September 384  15 August 423 was Roman emperor from 393 to 423. He was the younger son of emperor Theodosius I and his first wife Aelia Flaccilla, and brother of Arcadius, who ruled the eastern half of the empire from 395, when their father died, until his death in 408. In 410, during Honoriuss reign over the western Roman Empire, 