"Heraclius (Greek: Ἡράκλειος, Herakleios) was Byzantine co-emperor from 659 to 681. He was the son of Emperor Constans II and Fausta, who was elevated in 659, ...
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before his father departed for Italy. After the death of Constans Heraclius´ brother, Constantine IV, ascended the throne as senior emperor. Constantine attempted to have both Heraclius and Tiberius removed as co-emperors, which sparked a popular revolt in 681. Constantine ended the revolt by promising to accede to the demands of the rebels, sending them home, but bringing their leaders into Constantinople. Once there, Constantine had them executed, then imprisoned Tiberius and Heraclius and had them mutilated, after which point they disappear from history." - (en.wikipedia.org 13.07.2020)
