The ''

sebastos ( , ) was an honorific used by the ancient Greeks to render the Roman imperial title of . The female form of the title was (). It was revived as an honorific in the 11th century Byzantine Empire and came to form the basis of a new system of co ...

'' Constantine Doukas (; died 8 April 1179) was a

Byzantine The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived the events that caused the fall of the Western Roman E ...

general and provincial governor under Emperor

Manuel I Komnenos Manuel I Komnenos (; 28 November 1118 – 24 September 1180), Latinized as Comnenus, also called Porphyrogenitus (; " born in the purple"), was a Byzantine emperor of the 12th century who reigned over a crucial turning point in the history o ...

. His relation with the prestigious

Doukas The House of Doukas ( pl. Doukai; , pl. , feminine form Doukaina; ), Latinized as Ducas, was a Byzantine Greek noble family, whose branches provided several notable generals and rulers to the Byzantine Empire in the 9th–11th centuries. A mat ...

family is unknown. What little is known of him comes from a short biographical notice in a manuscript (''Par. gr.'' 1564, ''fol.'' 18r). According to it, in 1173 Emperor Manuel sent Constantine to help defend

Ancona Ancona (, also ; ) is a city and a seaport in the Marche region of central Italy, with a population of around 101,997 . Ancona is the capital of the province of Ancona, homonymous province and of the region. The city is located northeast of Ro ...

in Italy, a Byzantine ally, against a combined attack from

Holy Roman Emperor The Holy Roman Emperor, originally and officially the Emperor of the Romans (disambiguation), Emperor of the Romans (; ) during the Middle Ages, and also known as the Roman-German Emperor since the early modern period (; ), was the ruler and h ...

Frederick I Barbarossa Frederick Barbarossa (December 1122 – 10 June 1190), also known as Frederick I (; ), was the Holy Roman Emperor from 1155 until his death in 1190. He was elected King of Germany in Frankfurt am Main, Frankfurt on 4 March 1152 and crowned in Aa ...

and the

Republic of Venice The Republic of Venice, officially the Most Serene Republic of Venice and traditionally known as La Serenissima, was a sovereign state and Maritime republics, maritime republic with its capital in Venice. Founded, according to tradition, in 697 ...

. The siege lasted for seven months, but Constantine successfully defended the city from capture. Subsequently, he was sent as governor ('' doux'') in

Dalmatia Dalmatia (; ; ) is a historical region located in modern-day Croatia and Montenegro, on the eastern shore of the Adriatic Sea. Through time it formed part of several historical states, most notably the Roman Empire, the Kingdom of Croatia (925 ...

and Dyrrhachium. He died of

pleurisy Pleurisy, also known as pleuritis, is inflammation of the membranes that surround the lungs and line the chest cavity (Pulmonary pleurae, pleurae). This can result in a sharp chest pain while breathing. Occasionally the pain may be a constant d ...

at his home on 8 April 1179.

References

Sources

* {{DEFAULTSORT:Doukas, Constantine 12th-century births 1179 deaths 12th-century Byzantine people Byzantine generals Byzantine governors Ancona

Constantine Constantine most often refers to: * Constantine the Great, Roman emperor from 306 to 337, also known as Constantine I * Constantine, Algeria, a city in Algeria Constantine may also refer to: People * Constantine (name), a masculine g ...

Generals of Manuel I Komnenos Sebastoi Byzantine Dalmatia