Parents Constantius Flavius Valerius Emperor of Rome St. Helena (Elaine) of Colchester Date of Birth 27 Feb 272 Place of Birth Naissus, Moesia Superior (Nish), Serbia Date of Death 22 May 337 Place of Death Nicomedia Source(s) http://homepages.rpi.edu/~holmes/Hobbies/Genealogy2/ps06/ps06_195.htm