 Armenian kings Oshin and Leo IV are known to have given special trading privileges for the French.In the 14th century, the Hethumids were unable to retain power in Cilician Armenia and following the assassination of Leo IV in 1341, his Lusignan cousin became King of Armenia as Constantine II.The Lusignan kings were of French origin and ruled the country until 1375 when the last king, Leo V, was captured by the Mamluks and taken to Egypt.