Roman general, son of Nero Claudius Drusus and Antonia, daughter of Mark Antony; he served with distinction under his uncle Tiberius in Dalmatia and Pannonia; was awarded a triumph, and in A.D. 12 was elected consul; his success and popularity as leader of the army on the Rhine provoked the jealousy of Tiberius, who transferred him to the East, where he subsequently died; his son Caligula succeeded Tiberius on the imperial throne (15 B.C.-A.D. 19).