Background
He was the son of Hethum of Neghir, a nephew of Hethum II of Armenia.
He was the son of Hethum of Neghir, a nephew of Hethum II of Armenia.
He is usually considered one of the Lusignan dynasty. Constantine formed an alliance with Peter I of Cyprus, offering him the port and castle of Corycus. On Peter"s death in 1369, Constantine looked for a treaty with the Sultan of Egypt.
The barons were unhappy with this policy, fearing annexation by the sultan, and in 1373 Constantine was murdered.