Julius Sabinus is an aristocratic Gaul of the Lingones at the time of the Batavian rebellion of CE 69.

He attempts to take advantage of the turmoil in Rome after the death of Nero to set up an independent Gaulish state.

He is a Roman officer, naturalized, as indicated by his name.

He claims to be the great-grandson of Caesar on the grounds that his great-grandmother had been Caesar's lover during the Gallic war.