Leon I

Prince and ruler of Cilicia (1129-1141), brother and successor of Thoros I. He retook the cities of Msis, Adana and Tarsus, previously captured by the leaders of the First Crusade. That ended the alliance with the Crusaders and soon brought Cilicia to anarchy. The Greek troops invaded Cilicia, captured a number of cities and arrested the members of Leon's family. Forced to give himself up, he was chained and taken to Constantinople where he died in 1141.

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