Constantius III was briefly Western Roman emperor in 421, having earned the throne through his capability as a general under Honorius. By 411 he had achieved the rank of magister militum, and in the s
Galla Placidia, daughter of the Roman emperor Theodosius I, was a mother, tutor, and advisor to emperor Valentinian III. She was queen consort to Ataulf, King of the Visigoths, from 414 until his deat
Constantius III
…campaigns against various barbarian groups in Hispania and Gaul, recovering much of both for the Western Roman Empire. He married Honorius's sister Galla Placidia in 417, a sign of his ascendant status, and was proclaimed co-emperor by Honorius on 8 February 421. Constantius reigned for seven months before dying…
Coin of 422
Interior of the Mausoleum of Galla Placidia in Ravenna
Medallions of Honorius and Galla Placidia, Ravenna, 425
Possible portrait in Museo dell'Alto Medioevo, Rome