Dalassenos (), feminine form Dalassene or Dalassena (Greek: Δαλασσηνή), 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 ...

aristocratic family prominent in the 11th century.

Origins and rise to prominence

The family's name derives from their ancestral home, the city of Dalassa, modern Talas in eastern

Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...

. The ethnic origin of the family is unknown; the

Armenian Armenian may refer to: * Something of, from, or related to Armenia, a country in the South Caucasus region of Eurasia * Armenians, the national people of Armenia, or people of Armenian descent ** Armenian diaspora, Armenian communities around the ...

historian

Nicholas Adontz Nicholas Adontz (; ; January 10, 1871 – January 27, 1942) was an Armenians, Armenian historian, specialising in Byzantine studies, Byzantine and Armenian studies, and a philologist. Karen Yuzbashyan, Yuzbashyan, Karen. s.v. Adonts', Nikoghayos ...

identified them as Armenians, but their names are not

, and most scholars hesitate to accept Adontz's suggestion.. The first prominent member of the family was the ''

magistros The (Latin; ; ) was one of the most senior administrative officials in the Later Roman Empire and the early centuries of the Byzantine Empire. In Byzantium, the office was eventually transformed into a senior honorary rank, simply called ''magist ...

Damian Dalassenos Damian Dalassenos (; ca. 940 – 19 July 998) was a Byzantine aristocrat and the first known member of the Dalassenos noble family. He is known for his service as the military governor ('' doux'') of Antioch in 996–998. He fought the Fatimids w ...

, who held the important post of '' doux'' of

Antioch Antioch on the Orontes (; , ) "Antioch on Daphne"; or "Antioch the Great"; ; ; ; ; ; ; . was a Hellenistic Greek city founded by Seleucus I Nicator in 300 BC. One of the most important Greek cities of the Hellenistic period, it served as ...

in 995/996–998.. His sons also reached senior offices: two of them,

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 ...

and Theophylaktos, also occupied the post of ''doux'' of

, while Romanos Dalassenos was ''

katepano The ''katepánō'' (, ) was a senior Byzantine military rank and office. The word was Latinized as ''capetanus/catepan'', and its meaning seems to have merged with that of the Italian "capitaneus" (which derives from the Latin word "caput", mean ...

'' of

Iberia The Iberian Peninsula ( ), also known as Iberia, is a peninsula in south-western Europe. Mostly separated from the rest of the European landmass by the Pyrenees, it includes the territories of peninsular Spain and Continental Portugal, compri ...

. The East, and Antioch in particular, seem to have been the preserve and main power-base of the family during the first decades of the 11th century. Constantine in particular was a favourite of Emperor

Constantine VIII Constantine VIII (;Also called Porphyrogenitus (), although the epithet is almost exclusively used for Constantine VII. 960 – 11/12 November 1028) was ''de jure'' Byzantine emperor from 962 until his death. He was the younger son of Empe ...

(r. 1025–1028), who reportedly considered naming him his heir shortly before his death. Under

Romanos III Argyros Romanos III Argyros (; Latinized Romanus III Argyrus; 968 – 11 April 1034), or Argyropoulos, was Byzantine Emperor from 1028 until his death in 1034. He was a Byzantine noble and senior official in Constantinople when the dying Constantine ...

(r. 1028–1034) the family remained loyal, at least outwardly. Constantine, however, is accused in some sources of having played a role in the failure of Romanos's campaign against Aleppo in 1030.. Constantine then emerged as the leader of the aristocratic opposition during the reigns of

Michael IV the Paphlagonian Michael IV the Paphlagonian (; c. 1010 – 10 December 1041) was Byzantine Emperor from 11 April 1034 to his death on 10 December 1041. The son of a peasant, Michael worked as a money changer until he was found a job at court by his brother ...

(r. 1034–1041) and

Michael V Michael V may refer to: * Michael V Kalaphates (1015–1042), Byzantine Emperor *Coptic Pope Michael V of Alexandria (fl. 1145–1146) * Michael V. (born 1969), Filipino actor and comedian {{hndis, Michael 05