Hannibalianus was the son of Flavius Dalmatius, and thus nephew of Constantine I. Hannibalianus and his brother Dalmatius were educated at Tolosa (Toulouse) by rhetor Exuperius.
Hannibalianus was the son of Flavius Dalmatius, and thus nephew of Constantine I. Ammianus Marcellinus, xiv i.2. Aurelius Victor, 41.20 Hannibalianus and his brother Dalmatius were educated at Tolosa by rhetor Exuperius.