Heliodorus of Bet Zabdai
Heliodorus of Bet Zabdai was a Syrian bishop of Bet Zabdai in Mesopotamia and a martyr.
He was taken to Persia as a prisoner of war by Shapur II. He died as a result of ill treatment and fatigue at Daskarata on the Great Zab, in 344. He is commemorated with a feast day in August 20.