Historians of Ptolemy divide his biography into Ptolemy Satrap and Ptolemy Basileus. Bhim Singh occupied Gwalior fort in 1740 when the Mughal Satrap, Ali Khan, surrendered. Darius III was taken prisoner by Bessus, his Bactrian satrap and kinsman. Nicanor was the new satrap of Media and the "strategos" of the eastern provinces. However, Eudemus, who had served as Alexander's satrap in the Punjab region, treacherously killed Porus. Before ascending the throne Artaxerxes was a satrap and commander of his father's army. Before ascending the throne Artaxerxes had been a satrap and commander of his father's army. He then superseded Peucestas as satrap of Persia. Rudrasimha III seems to have been the last of the Western Satrap rulers. Later, the 6th-century BC Persian satrap Otanes captured it. Mazaeus was the second last Persian satrap (governor) of Cilicia. Tributes in silver from each satrap were measured with the Babylonian talent. Antigenes, satrap of Susiana and commander of the Argyraspides, was allied with Eumenes. Advisor to Satrap Cosgo, she finds him greatly dislikeable. Darius III, previously Satrap of Armenia, personally forced Bagoas to swallow poison.