Isaac II Angelus Eastern Roman Emperor ¹

   Another name for Isaac was Isaac II Angelos Eastern Roman Emperor.

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From Wikipedia - Isaac II Angelos :

Isaac II Angelos or Angelus (Greek : Isaakios II Angelos) (September 1156 - January 1204) was Byzantine emperor from 1185 to 1195, and again from 1203 to 1204.

His father Andronikos Dukas Angelos, a military leader in Asia Minor (c. 1122 - aft. 1185), married bef. 1155 Euphrosyne Kastamonitissa (c. 1125 - aft. 1195). Andronikos Dukas Angelos was the son of Konstantinos Angelos, Admiral of Sicily (c. 1085 - aft. July 1166, son of Manolis Angelos from Philadelphia ) and Theodora Komnene (b. January 5 , 1096/1097) who was the youngest daughter of Emperor Alexios I Komnenos and Eirene Doukaina , by her marriage c. 1120 to Thus Isaac was a member of the extended imperial clan.


<<b>>Rising by revolt
During the brief reign of Andronikos I Komnenos , Isaac was involved (alongside his father and brothers) in the revolt of Nicaea and Prousa . Atypically, the Emperor did not punish him for this disloyalty, and Isaac remained at Constantinople .

On September 11 , 1185 , during Andronikos' absence from the capital, the latter's lieutenant Stephanos Hagiochristophorites moved to arrest Isaac. Isaac killed Hagiochristophorites and took refuge in the church of Hagia Sophia . Andronikos, in some ways a capable ruler, was hated for his cruelty and his efforts to keep the aristocracy obedient. Isaac appealed to the populace, and a tumult arose which spread rapidly over the whole city. When Andronikos arrived he found that during his absence he had lost popular support, and that Isaac had been proclaimed emperor. Andronikos attempted to flee by boat but was apprehended. Isaac handed him over to the people of the City, and he was killed on September 12 , 1185 .


Family
The identity of Isaac II's first wife is unknown, but her name, Herina (i.e., Eirene), is found on the necrology of Speyer Cathedral , where their daughter Irene is interred. (It must be noted, however, that it would have been extremely unusual for a mother and daughter to bear the same name, unless the mother's name was monastic.)[3] Isaac's wife may have been a member of the Palaiologos family.[4] A possible foreign origin is also given to her due to having the same name as her daughter.[5][6] Their third child was born in 1182 or 1183 and she was dead or divorced by 1185, when Isaac remarried. Their children were:
Euphrosyne Angelina, a nun.
Irene Angelina , married first to Roger III of Sicily , and secondly to Philip of Swabia .
Alexios IV Angelos .
By his second wife, Margaret of Hungary (renamed Maria), Isaac II had two sons:
John Angelos (b. ca. 1193 - d. 1259). He migrated to Hungary and ruled over Syrmia and Bacs (1227-42) as a vassal of king Béla IV of Hungary .
Manuel Angelos (b. after 1195 - d. 1212)

Isaac married Herina.