Herod Antipas was tetrarch of Galilee and Perea, a client state of the Roman Empire. Aretas' daughter, Phasaelis, married Herod Antipas, otherwise known as Herod the Tetrarch. Aristobulus was married to Salome after the death of her first husband, Philip the Tetrarch. Coins from his reign indicate that he was "tetrarch and high priest". Constantine assumed the empire as a tetrarch in 306. The identity of the king is not mentioned while legend suggests Philip the Tetrarch. Daochos II was the tetrarch of Thessaly between 336 and 332 BC. The first was the Light Tank Mk VIII, Vickers-Armstrong's proposed successor to the Tetrarch. Luke also credits the tetrarch with a role in Jesus' trial. There were several variants of the Tetrarch design. A number of design faults of the Tetrarch were revealed through its operational use. A few Close Support versions of the Tetrarch light tank. Satisfactory sea trials of the Tetrarch took place in Portsmouth Harbour. Thrash metal band Tetrarch are from Atlanta. Mithridates was a tetrarch over the Trocmi tribe.