The Kingdom of Cyprus was a Crusader kingdom on the island of Cyprus

Cyprus

Cyprus , officially the Republic of Cyprus , is a Eurasian island country, member of the European Union, in the Eastern Mediterranean, east of Greece, south of Turkey, west of Syria and north of Egypt. It is the third largest island in the Mediterranean Sea.The earliest known human activity on the...

 in the high and late Middle Ages

Middle Ages

The Middle Ages is a periodization of European history from the 5th century to the 15th century. The Middle Ages follows the fall of the Western Roman Empire in 476 and precedes the Early Modern Era. It is the middle period of a three-period division of Western history: Classic, Medieval and Modern...

, between 1192 and 1489. It was ruled by the French House of Lusignan.
The island was conquered in 1191 by King Richard I of England

Richard I of England

Richard I was King of England from 6 July 1189 until his death. He also ruled as Duke of Normandy, Duke of Aquitaine, Duke of Gascony, Lord of Cyprus, Count of Anjou, Count of Maine, Count of Nantes, and Overlord of Brittany at various times during the same period...

 during the Third Crusade

Third Crusade

The Third Crusade , also known as the Kings' Crusade, was an attempt by European leaders to reconquer the Holy Land from Saladin...

, from Isaac Comnenus, an upstart local governor and self-proclaimed emperor

Byzantine Empire

The Byzantine Empire was the Eastern Roman Empire during the periods of Late Antiquity and the Middle Ages, centred on the capital of Constantinople. Known simply as the Roman Empire or Romania to its inhabitants and neighbours, the Empire was the direct continuation of the Ancient Roman State...

 claiming the Byzantine Empire

Byzantine Empire

The Byzantine Empire was the Eastern Roman Empire during the periods of Late Antiquity and the Middle Ages, centred on the capital of Constantinople. Known simply as the Roman Empire or Romania to its inhabitants and neighbours, the Empire was the direct continuation of the Ancient Roman State...

. Richard then sold it to the Knights Templar

Knights Templar

The Poor Fellow-Soldiers of Christ and of the Temple of Solomon , commonly known as the Knights Templar, the Order of the Temple or simply as Templars, were among the most famous of the Western Christian military orders...

, who in turn sold it to Guy of Lusignan

Guy of Lusignan

Guy of Lusignan was a Poitevin knight, son of Hugh VIII of the prominent Lusignan dynasty. He was king of the crusader state of Jerusalem from 1186 to 1192 by right of marriage to Sibylla of Jerusalem, and of Cyprus from 1192 to 1194...

, jure uxoris

Jure uxoris

Jure uxoris is a Latin term that means "by right of his wife" or "in right of a wife". It is commonly used to refer to a title held by a man whose wife holds it in her own right. In other words, he acquired the title simply by being her husband....

 King of Jerusalem, in 1192 after the failure of Richard's crusade and when Guy was dispossessed of his late wife's kingdom.