Pantaleone Giustinian (before 1229 – 1286) was a Venetian nobleman and cleric, who served as the

Latin Patriarch of Constantinople The Latin Patriarchate of Constantinople was an office established as a result of the Fourth Crusade and its conquest of Constantinople in 1204. It was a Roman Catholic replacement for the Eastern Orthodox Ecumenical Patriarchate of Constantino ...

from 1253 until his death. Pantaleone Giustinian was the son of Philip Giustinian, lord of the Greek islands of

Keos Kea (), also known as Tzia () and in antiquity Keos (, ), is a Greek island in the Cyclades archipelago in the Aegean Sea. Kea is part of the Kea-Kythnos regional unit. Geography It is the island of the Cyclades complex that is closest to Atti ...

and

Serifos Serifos () is a Greek island in the Aegean Sea, located in the western Cyclades, south of Kythnos and northwest of Sifnos. It is part of the Milos regional unit. The area is and the population was 1,241 at the 2021 census. It is located about ...

after the

Fourth Crusade The Fourth Crusade (1202–1204) was a Latin Christian armed expedition called by Pope Innocent III. The stated intent of the expedition was to recapture the Muslim-controlled city of Jerusalem, by first defeating the powerful Egyptian Ayyubid S ...

. Born in the early 13th century, he is first mentioned in 1229. His appointment to the vacant Latin see of Constantinople was part of a papal effort to secure firm Venetian support for the decaying

Latin Empire The Latin Empire, also referred to as the Latin Empire of Constantinople, was a feudal Crusader state founded by the leaders of the Fourth Crusade on lands captured from the Byzantine Empire. The Latin Empire was intended to replace the Byzantin ...

. For the same reason, to enhance Giustinian's authority, he was also appointed

papal legate 300px, A woodcut showing Henry II of England greeting the Pope's legate. A papal legate or apostolic legate (from the ancient Roman title '' legatus'') is a personal representative of the Pope to foreign nations, to some other part of the Catho ...

to the Latin Empire. However, in 1261,

Constantinople Constantinople (#Names of Constantinople, see other names) was a historical city located on the Bosporus that served as the capital of the Roman Empire, Roman, Byzantine Empire, Byzantine, Latin Empire, Latin, and Ottoman Empire, Ottoman empire ...

fell A fell (from Old Norse ''fell'', ''fjall'', "mountain"Falk and Torp (2006:161).) is a high and barren landscape feature, such as a mountain or Moorland, moor-covered hill. The term is most often employed in Fennoscandia, Iceland, the Isle of M ...

to the restored Byzantine Empire. From then on until his death, Giustinian resided mostly in

Venice Venice ( ; ; , formerly ) is a city in northeastern Italy and the capital of the Veneto Regions of Italy, region. It is built on a group of 118 islands that are separated by expanses of open water and by canals; portions of the city are li ...

Sources

{{DEFAULTSORT:Giustinian, Pantaleone 13th-century births 1286 deaths 13th-century Venetian people Latin Patriarchs of Constantinople 13th-century Roman Catholic archbishops Latin Empire people