Abbas III

Abbas III reigned 17321736 was a son of Shah Tahmasp II and Shahpuri Begum of the Safavid dynasty. After the deposition of his father by Nader Khan the infant Abbas was appointed nominal ruler of Iran onSeptember 1732. Nader Khan, who was the real ruler of the country, assumed the positions of deputy of state and viceroy. Abbas III was deposed in March 1736, when Nader Khan had himself crowned as Nader Shah. This marked the official end of the Safavid dynasty. Abbas was sent to join his father in prison in Sabzevar, Khorasan.

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Source: Wikipedia