 Sextus' father, Pompey the Great, had been an enemy of Julius Caesar for many years, and this enmity finally boiled over in 49 BC with the beginning of Caesar's Civil War.Pompey was executed in 48 BC by the Egyptians, but Sextus and his brother, Gnaeus Pompeius, continued fighting until 45 BC, when it was clear that Caesar was the victor.After Munda, Sextus' brother was executed, but Sextus himself escaped to Sicily.