Portal:Byzantine Empire/Selected biography/4
Isaac II Angelos or Angelus (Greek: Ισαάκιος Β’ Άγγελος, 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), was a son of Theodora Komnene (b. January 5, 1096/1097), the youngest daughter of Emperor Alexios I Komnenos and Irene Doukaina, by her marriage c. 1120 to Konstantinos Angelos, Admiral of Sicily (c. 1085 – aft. July 1166), son of one Manolis Angelos from Philadelphia. Thus Isaac was a member of the extended imperial clan.