Martinus (son of Heraclius)
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Martinus or Marinus was caesar of the Byzantine Empire from c. 639 to 641. Martinus was the fifth son of Emperor Heraclius and Empress Martina, who was Heraclius' second wife and niece. Martinus was e
Coin of 616, depicting Martinus's father Heraclius, his half-brother Constantine III, and his mother Martina
David (son of Heraclius)
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David was one of three co-emperors of Byzantium for a few months in late 641, and had the regnal name Tiberius. David was the son of Emperor Heraclius and his wife and niece Empress Martina. He was bo
The "epsilon" coin, which Hahn suggests was minted under Heraclonas, Tiberius and Constans II
David plate