Isaac I Komnenos Emperor and Autocrat of the Romans Gold tetarteron of Isaac I Komnenos Emperor of the Byzantine Empire Reign 5 June 1057 – 22 November 1059 Coronation 1 September 1057 Predecessor Michael VI Bringas Successor Constantine X Doukas Born c. 1007 Died 1060 (aged 53) Monastery of Stoudios, Constantinople Spouse Catherine of Bulgaria Issue Manuel Komnenos Maria Komnene Dynasty Komnenoi Father Manuel Erotikos Komnenos