Gaius Avidius Heliodorus
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Gaius Avidius Heliodorus (c. 100 – aft. 142) was a Roman politician and a noted orator.
He was of Greek origin and became Secretarius ab epistolis under Hadrian and augustal prefect of Egypt between 137 and 142 or between 138 and 140.
He married Julia Cassia Alexandra, born c. 105, princess of Judaea, daughter of Gaius Julius Alexander Berenicianus, a descendant of Herod the Great, and wife Cassia Lepida, a descendant of Cassius and Augustus, and their son became the usurper Avidius Cassius.[citation needed]
