Judas and the Asmoneans were usurpers, who owed their title to Lysias.
We know that at his time there were different petty kingdoms and usurpers in Persis; the principal dynasty is by Tabari called Bazrangi.
When Antony assumed the dominion of the East after the defeat of Cassius at Philippi, an embassy of the Jews, amongst other embassies, approached him in Bithynia and accused the sons of Antipater as usurpers of the power which rightly belonged' to Hyrcanus.
A number of usurpers laid claim to the throne, the most important of whom was Constantine.
Honorius was one of the feeblest emperors who ever occupied the throne, and the dismemberment of the West was only temporarily averted by the efforts of Stilicho, and, later, of Constantius, a capable general who overthrew the usurpers and was rewarded with a share in the government.