Jean II de Giblet was a Christian prince of the House of Giblet

Embriaco family

The Embriaco family were Genoese adventurers, who played an important part in the history of the Crusader states. They styled themselves "Lord of Jebail" or "Giblet", "Gibelet" or "Gibelletto". Jebail is historic Byblos in Lebanon....

, an area of the Holy Land

Holy Land

The Holy Land is a term which in Judaism refers to the Kingdom of Israel as defined in the Tanakh. For Jews, the Land's identifiction of being Holy is defined in Judaism by its differentiation from other lands by virtue of the practice of Judaism often possible only in the Land of Israel...

, in the 13th-14th century. His family used to be located in the fief of Cerep in Antioch

Antioch

Antioch on the Orontes was an ancient city on the eastern side of the Orontes River. It is near the modern city of Antakya, Turkey.Founded near the end of the 4th century BC by Seleucus I Nicator, one of Alexander the Great's generals, Antioch eventually rivaled Alexandria as the chief city of the...

, before the area was taken by the Mamluk

Mamluk

A Mamluk was a soldier of slave origin, who were predominantly Cumans/Kipchaks The "mamluk phenomenon", as David Ayalon dubbed the creation of the specific warrior...

s. He was married to Marguerite du Plessis.

Jean de Giblet is recorded as witness in a contract signed with Venice

Venice

Venice is a city in northern Italy which is renowned for the beauty of its setting, its architecture and its artworks. It is the capital of the Veneto region...

 by Amalric de Lusignan

Amalric, Prince of Tyre

Amalric de Lusignan or Amaury II de Lusignan, Prince of Tyre , of the Lusignan family, was a son of Hugh III of Cyprus and Isabella of Ibelin.-Biography:...

, Prince of Tyre

Officers of the Kingdom of Jerusalem

There were six major officers of the kingdom of Jerusalem: the constable, the marshal, the seneschal, the chamberlain , the butler and the chancellor...

 and governor 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...

.

He is mentioned by the medieval historian, the Templar of Tyre

Templar of Tyre

The Templar of Tyre is the name of a medieval historian and also of the document he wrote in the 14th century, the third and largest section of the Gestes des Chiprois...

:
In early 1300, Jean and Guy d'Ibelin had moved in with their troops from Cyprus in response to an earlier call by the Mongol leader Ghazan

Mahmud Ghazan

Mahmud Ghazan was the seventh ruler of the Mongol Empire's Ilkhanate division in modern-day Iran from 1295 to 1304. He was the son of Arghun and Quthluq Khatun, continuing a line of rulers who were direct descendants of Genghis Khan...

 to reoccupy the Holy Land. They established a base in the castle of Nefin in Gibelet

Byblos

Byblos is the Greek name of the Phoenician city Gebal . It is a Mediterranean city in the Mount Lebanon Governorate of present-day Lebanon under the current Arabic name of Jubayl and was also referred to as Gibelet during the Crusades...

on the Syrian coast with the intention of joining Ghazan, but he had already retreated at that point. They attempted to besiege the new city of Tripoli, but in vain, and soon had to reembark for Cyprus.