Marcus Junius Brutus, also called Quintus Caepio Brutus, (born probably 85 bce—died 42 bce, near Philippi, Macedonia [now in northwestern Greece]), Roman politician, one of the leaders in the conspiracy that assassinated Julius Caesar in 44 bce. Brutus was the son of Marcus Junius Brutus (who was treacherously killed by Pompey the Great in 77) and Servilia (who later became Caesar’s lover). After his adoption by an uncle, Quintus Servilius Caepio, he was commonly called Quintus Caepio Brutus. Brutus was brought up by another uncle, Cato the Younger, who imbued him with the principles of S...