Mago Barca was a Carthaginian, member of the Barcid family, who played an important role in the Second Punic War, leading forces of Carthage against the Roman Republic in Iberia and northern and central Italy. Mago was the third son of Hamilcar Barca, was the brother of Hannibal and Hasdrubal, and was the brother-in-law of Hasdrubal the Fair.