Helena Augusta

Helena Augusta was a female politician of the Low Roman Empire and a member of the Constantinian dynasty. Born in 250 in Helenopolis, she was the daughter of Coel Hen. She was married to Constantius Chlorus and was the mother of Constantine the Great. A Christian, she was canonized as a saint.

Her feast days are observed on August 18, May 21, March 19, and June 3. She died on August 18, 0330, in either Constantinople or Nicomedia. Her remains have been associated with the Mausoleum of Helena, the Cathedral of Trier, the Vatican Museums, and the Lateran.