I Constantius
I was born in 0242 in Rome Italy.  He died in Eboracum (York, England).

 Helen (St. Helena of the Cross) of Britain
Helen (St. Helena of the Cross) of was born in 0248 in Bythnia, Britain.  She died at the age of 88 in 0336.

 Constantia
Constantia was born in 0270 in Rome, Italy.

 Constantine the Great (Flavius Valerius Aurelius
Constantine the Great (Flavius Valerius was born in Naissus in Moesia.  He died in May 0336 in Constantinople, Turkey.  He was buried in Church of the Holy Apostles, Constantinople, Turkey.