Alexios was the son of Ioannis Komnenos and Anna Dalassena, and the nephew of Isaac I Komnenos ( emperor 1057 – 1059 ).

Already closely connected to the Komnenoi through Maria's cousin Irene to Isaac Komnenos, the Komnenoi brothers were able to see the empress under the pretense of a friendly family visit.

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.

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

This measure, which was intended to diminish opposition, was paralleled by the introduction of new courtly dignities, like that of panhypersebastos given to Nikephoros Bryennios, or that of sebastokrator given to the emperor's brother Isaac Komnenos.

# Isaac Komnenos, sebastokrator.

His younger brother Isaac was threatened with execution under orders of their first-cousin once-removed Andronikos I Komnenos on September 11, 1185.

* Anna Angelina, who married ( 1 ) the sebastokrator Isaac Komnenos, great-nephew of emperor Manuel I Komnenos, and ( 2 ) Theodore Laskaris, emperor of Nicaea.

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.

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

Survivors of the wrecks had been taken prisoner by the island's despot Isaac Komnenos.

Richard quarrelled with Leopold V of Austria over the deposition of Isaac Komnenos ( related to Leopold's Byzantine mother ) and his position within the crusade.

* Isaac I Komnenos, Byzantine Emperor

* September 11 – Isaac II Angelus leads a revolt in the Byzantine Empire which deposes Andronikos I Komnenos and ends the Komnenos dynasty.

During the brief reign of Andronikos I Komnenos, Isaac was involved ( alongside his father and brothers ) in the revolt of Nicaea and Prousa.

Isaac I Komnenos ( or Comnenus ) (, Isaakios I Komnēnos ) ( c. 1007 – 1061 ) was Byzantine Emperor from 1057 to 1059, and the first reigning member of the Komnenos dynasty.

Isaac was the son of Manuel Erotikos Komnenos, the strategos autokrator of the East under Emperor Basil II Manuel originated in Thrace and was possibly of Vlach ancestry, though other ethnic origins have been suggested.

This situation was exploited by the courtiers, led by Michael Psellos, who influenced Isaac to appoint as his successor Constantine Doukas, to the exclusion of his own brother John Komnenos.

Amathus still flourished and produced a distinguished patriarch of Alexandria, St. John the Merciful, as late as 606-616, and a ruined Byzantine church marks the site ; but it declined and was already almost deserted when Richard Plantagenet won Cyprus by a victory there over Isaac Comnenus in 1191.

Bad weather forced Richard's ship to put in at Corfu, in the lands of the Byzantine Emperor Isaac II Angelos, who objected to Richard's annexation of Cyprus, formerly Byzantine territory.

In 1185, the last Byzantine governor of Cyprus, Isaac Comnenus of Cyprus from a minor line of the Imperial house, rose in rebellion and attempted to seize the throne.

Isaac Comnenus, the Byzantine governor of Cyprus, was heartless and cruel, and loathed the Latins.

En route to the Holy Land, the ship carrying Berengaria and Joan went aground off the coast of Cyprus, and they were threatened by the island's ruler, Isaac Comnenus.

He then sent a fleet of 70 ships, but it failed in its attempt to recover Cyprus from the rebellious noble Isaac Comnenus, thanks to Norman interference.

He participated in the campaign against Isaac Comnenus of Cyprus.

Meanwhile, Guy was compensated for the loss of his kingdom by purchasing Cyprus from the Templars in 1192, who had themselves purchased it from Richard, who had wrested it from Isaac Comnenus en route to Palestine.

There the despot Byzantine king of the island, Isaac Comnenus, is said to have fled after Richard the Lion Heart conquered Cyprus in 1191.

After an occupation by the Knights Templar and the rule of Isaac Komnenos, the island in 1192 came under the rule of the Lusignan family, who established the Kingdom of Cyprus.

Isaac Komnenos or Comnenus (, Isaakios Komnēnos ; c. 1155 – 1195 / 1196 ), was the ruler of Cyprus from 1184 to 1191, before Richard I's conquest during the Third Crusade.

Arms of Isaac Komenos of Cyprus

Another oracle gave the date when the next Emperor would start to rule, and Andronikos I was greatly relieved, as the time was much too short for Isaac to make the crossing from Cyprus.

Isaac, or more likely Margaritone, won a victory over the Byzantine troops and captured the captains, whom he took off to Sicily, while the rest of the sailors remained on Cyprus, to fend for themselves as best they could.

In 1191 the fiancée and the sister of the English King Richard I Lionheart were shipwrecked on Cyprus and were taken captive by Isaac.

On reaching Cyprus, the couple attempted to claim the island as inheritors of Isaac.

# REDIRECT Isaac Komnenos of Cyprus

Isaac Comnenus of Cyprus was imprisoned there after Richard I of England captured Cyprus from him during the Third Crusade.

His next relationship ( marriage, some say ) to a daughter of Isaac Comnenus of Cyprus, had ended by 1202.

One renegade member of the family, also named Isaac, established a separate " empire " on Cyprus in 1184, which lasted until 1191, when the island was taken from him by Richard I of England during the Third Crusade.

In 1185, the last Byzantine governor of Cyprus, Isaac Komnenos, from a minor line of the Komnenos imperial house, rose in rebellion and attempted to seize the throne.

Upon her arrival, the ruler Isaac Comnenus of Cyprus requested that Berengaria deboard, which she refused, and upon her own refusal was denied supplies from Comnenus.