Constantius I (Flavius Valerius Constantinus) Emperor of Rome & Helena of the Cross UNKNOWN 
They had a son named Constantine I 'The Great' Emperor of .
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Personal Details
Constantius I (Flavius Valerius Constantinus) Emperor of Rome
Constantius I (Flavius Valerius Constantinus) Emperor was born in 0242 in Eboracum, England. He died in Eboracum, England.
Helena of the Cross UNKNOWN
Helena of the Cross was born in 0265 in Drepanum, Bithynia. Helena of the Cross is no longer alive.
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Children
Constantine I 'The Great' Emperor of ROME
Constantine I 'The Great' Emperor of was born in Naissus, Serbia.