Under the Roman emperors Diocletian and Maximian, Dacian or Dacianus had been prefect of Gaul,Alban Butler, "The Lives of the Fathers, Martyrs, and Other Principal Saints, Volume 10"], p.139-140 and had also acted in Hispania Tarraconensis or Hispania Carthaginensis. Martyred under him, amongst others, were Caprasius of Agen, Eulalia of Barcelona, Saint Faith and Vincent of Saragossa.p 48 in: Cotman, JS. (1838) Engravings of Sepulchral Brasses in Norfolk..., Bohn, 1838

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