Alexios I Komnenos, Latinized as Alexius I Comnenus (, 1056 – 15 August 1118 — note that some sources list his date of birth as 1048 ), was Byzantine emperor from 1081 to 1118, and although he was not the founder of the Komnenian dynasty, it was during his reign that the Komnenos family came to full power.

The title ' Nobilissimus ' was given to senior army commanders, the future emperor Alexios I Komnenos being the first to be thus honoured.

Inheriting a collapsing empire and faced with constant warfare during his reign against both the Seljuq Turks in Asia Minor and the Normans in the western Balkans, Alexios was able to halt the Byzantine decline and begin the military, financial, and territorial recovery known as the Komnenian restoration.

Alexios ' father declined the throne on the abdication of Isaac, who was accordingly succeeded by four emperors of other families between 1059 and 1081.

Alexios was ordered to march against his brother-in-law Nikephoros Melissenos in Asia Minor but refused to fight his kinsman.

This did not, however, lead to a demotion, as Alexios was needed to counter the expected invasion of the Normans of Southern Italy, led by Robert Guiscard.

While the Byzantine troops were assembling for the expedition, Alexios was approached by the Doukas faction at court, who convinced him to join a conspiracy against Nikephoros III.

The mother of Alexios, Anna Dalassena, was to play a prominent role in this coup d ' état of 1081, along with the current empress, Maria of Alania.

Furthermore, to aid the conspiracy Maria had adopted Alexios as her son, though she was only five years older than he Maria was persuaded to do so on the advice of her own " Alans " and her eunuchs, who had been instigated to do his by Isaac Komnenos.

Anna then protested that the family was in fear for their lives, her sons were loyal subjects ( Alexios and Isaac were discovered absent without leave ), and had learned of a plot by enemies of the Komnenoi to have them both blinded and had, therefore, fled the capital so they may continue to be of loyal service to the emperor.

During this time, Alexios was rumored to be the lover of Empress Maria of Alania, the daughter of King Bagrat IV of Georgia, who had been successively married to Michael VII Doukas and his successor Nikephoros III Botaneiates, renowned for her beauty.

Alexios arranged for Maria to stay on the palace grounds, and it was thought that Alexios was considering marrying the erstwhile empress.

However, this situation changed drastically when Alexios ' first son John II Komnenos was born in 1087: Anna's engagement to Constantine was dissolved, and she was moved to the main Palace to live with her mother and grandmother.

Alexios became estranged from Maria, who was stripped of her imperial title and retired to a monastery, and Constantine Doukas was deprived of his status as co-emperor.

This coin was struck by Alexios during his war against Robert Guiscard.

* 1203 – Isaac II Angelos, restored Eastern Roman Emperor, declares his son Alexios IV Angelos co-emperor after pressure from the forces of the Fourth Crusade.

In this capacity, Alexios defeated the rebellions of Nikephoros Bryennios the Elder ( whose son or grandson later married Alexios ' daughter Anna ) and Nikephoros Basilakes, the first at the Battle of Kalavrye and the latter in a surprise night attack on his camp.

As a result, Alexios and Constantine, Maria's son, were now adoptive brothers and both Isaac and Alexios took an oath that they would safeguard his rights as emperor.

As a measure intended to keep the support of the Doukai, Alexios restored Constantine Doukas, the young son of Michael VII and Maria, as co-emperor and a little later betrothed him to his own first-born daughter Anna, who moved into the Mangana Palace with her fiancé and his mother.

Alexios II Komnenos or Alexius II Comnenus () ( 10 September 1169 – 24 September 1183, Constantinople ), Byzantine emperor ( 1180 – 1183 ), was the son of Emperor Manuel I Komnenos and Maria, daughter of Raymond, prince of Antioch.

She excluded her young son from power, entrusting it instead to Alexios the prōtosebastos ( a cousin of Alexios II ), who was popularly believed to be her lover.

Alexios III Angelos was the second son of Andronikos Angelos and Euphrosyne Kastamonitissa.

Andronicus was himself a son of Theodora Komnene Angelina, the youngest daughter of Emperor Alexios I Komnenos and Irene Doukaina.

Alexios IV Angelos, the son of the deposed Isaac II, had recently escaped from Constantinople and now appealed to the crusaders, promising to end the schism of East and West, to pay for their transport, and to provide military support to the crusaders if they helped him to depose his uncle and sit on his father's throne.

Isaac II, drawn from his prison and robed once more in the imperial purple, received his son, Alexios IV, in state.

His participation in the attempted usurpation of John Komnenos the Fat in 1200 had caused him to be imprisoned until the accession of Isaac II Angelos, who was restored to the throne after having been deposed and imprisoned by his brother Alexios III, and his son Alexios IV Angelos, who were placed on the throne by the intervention of the Fourth Crusade in July 1203.

He was the son of Isaac Komnenos and grandson of Emperor Alexios I Komnenos.

In 1180 the Emperor Manuel died and was succeeded by his ten year old son Alexios II, who was under the guardianship of his mother, Empress Maria.

* Eirene Komnene ( born c. 1169 ), who was briefly married to Alexios Komnenos, a son of Emperor Manuel I Komnenos by Theodora Batatzina.

* 1093 – Isaac Komnenos, son of Byzantine Emperor Alexios I Komnenos

Michael VIII Palaiologos was the son of the megas domestikos Andronikos Doukas Komnenos Palaiologos by Theodora Angelina, the granddaughter of Emperor Alexios III Angelos and Euphrosyne Doukaina Kamaterina.

July 1166, son of Manolis Angelos from Philadelphia ) and Theodora Komnene ( b. 15 January 1096 / 1097 ) who was the youngest daughter of Emperor Alexios I Komnenos and Eirene Doukaina.

But both mind and body had been enfeebled by confinement, and his son Alexios IV Angelos was associated on the throne as the effective monarch.

In 1357 is mentioned that the Byzantine officers and brothers Alexios and Ioannis ( John ) controlled the city and its territory.

After bribing the Western troops who had guarded the city, Isaac and Alexios Komnenos entered the capital victoriously on April 1, 1081.

* John Komnenos, Alexios ’ nephew, governor of Dyrrachium, accused of a conspiracy by Theophylact of Bulgaria.

Alexios ' policy of integration of the nobility bore the fruit of continuity: every Byzantine emperor who reigned after Alexios I Komnenos was related to him by either descent or marriage.

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Together with his father and brothers, Alexios had conspired against Emperor Andronikos I Komnenos ( c. 1183 ), and thus he spent several years in exile in Muslim courts, including that of Saladin.