Galla Placidia (born around 390; died at Rome November 27,
450) lived one of the most eventful lives of late antiquity. Daughter of the
Roman emperor Theodosius I and his second wife, Galla, herself daughter of the Emperor [Valentinian I]
?,
Galla Placidia was half sister of emperors Honorius
? and
Arcadius. She was married first to Athaulf
?, brother of
Alaric king of the
Visigoths. Her second husband was the Roman Constantius, by who she had a son who became [Valentinian III]
? and his rather more strong-willed sister, [Justa Grata Honoria]
?.