Under Michael VII Doukas Parapinakes (1071–1078) and Nikephoros III Botaneiates (1078–1081), he was also employed, along with his elder brother Isaac, against rebels in Asia Minor, Thrace, and in Epirus.
Posteriormente, baixo Miguel VII Parapinaces (1071-1078) e Nicéforo III Botaniates (1078-1081), combateu, xunto co seu irmán maior, Isaac, aos rebeldes en Asia Menor, Tracia e Epiro.