Sibyl of Armenia (1240 - 1290) was the daughter of Queen Elizabeth and the King of Armenia Haiton I and was a member of the Hetumida family.

He married in 1254 with Bohemond VI of Antioch. Antioch fell when it was conquered by the mamelucos of Egypt in 1268. Bohemundo VI continued with the title of prince of Antioch, although Antioch no longer existed. He also maintained the title of Earl of Tripoli.

When Bohemond VI died, his heir Bohemundo VII was only 14 years old, so Sibila assumed the regency in his name. The regency was claimed by Hugo I of Jerusalem, but Sibyl retained his position.

When Bohemond died, he was succeeded by his sister Lucia of Tripoli. Since the people of Tripoli were not satisfied with having a foreign ruler, Sibyl was offered the county of Tripoli. This offer was later withdrawn and Lucia became a princess and countess. Sibyl then retired to the court of her brother Leon in Armenia.

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