John of Lusignan

John of Lusignan (1329–1375), a son of King Hugh IV of Cyprus and Alice of Ibelin, married Constance of Sicily in 1343 and Alice of Ibelin in 1350. He became titular Prince of Antioch in 1345 and later served as constable and regent of Cyprus.

In 1369 he led the Cypriot fleet against Mamluk ports, sacking Botron and Tartus and raiding as far as Alexandria. Implicated in the murder of his brother King Peter I, he was killed in Nicosia in 1375 at the urging of Queen Eleanor and the Genoese.