Leo I of Armenia may refer to:
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Leo I, Prince of Armenia
Leo I ( hy, Լևոն Ա), also Levon I or Leon I, (unknown – Constantinople, February 14, 1140) was the fifth lord of Armenian Cilicia or “Lord of the Mountains” (1129/1130-1137).
He learned to exploit the open, yet restrained, hostilitie ...
, who ruled 1129/1130–1137
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Leo I, King of Armenia
Leo II (, ''Levon I. Metsagorts''; 1150 – 2 May 1219), also Leon II, Levon II or Lewon II, was the tenth lord of Armenian Cilicia or “Lord of the Mountains” (1187–1198/1199), and the first king of Armenian Cilicia (sometimes as Levon I t ...
, who ruled 1198/1199–1219
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