His daughter Livia became the wife of the first Roman Emperor Augustus .
He was thus a direct ancestor of the Julio - Claudian emperors Tiberius , Caligula , Claudius and Nero .
His daughter Livia became the wife of the first Roman Emperor Augustus , and he was thus a direct ancestor of the Julio - Claudian emperors Tiberius , Caligula , Claudius and Nero .