John Komnenos Vatatzes

John Komnenos Vatatzes, or simply John Komnenos or John Vatatzes in the sources, was a major military and political figure in the Byzantine Empire during the reigns of Manuel I Komnenos and Alexios II Komnenos. He was born c. 1132, and died of natural causes during a rebellion he raised against Andronikos I Komnenos in 1182.