Group 1: Romans (Senate, Julii, Brutii & Scipii)
Group 2: Greeks (Greek Cities, Macedon, the Seleucid Empire, Thrace)
Group 3: Barbarians (Scythians, Spanish, Britons, Germans, Gauls)
Group 4: Egyptians (Hmmm, wonder who'd be in this group?)
Group 5: Carthage (Numidians, Carthage)
Group 6: Easterners (Pontus, Parthians, Armenians)