6. Distinguished by the title SEBASTUS, lived in the reign of Alexis II. Comnenus, who reigned from A. D. 1180 to 1183. [ALEXIS, or ALEXIUS II. COMNENUS.] Andronicus, afterwards the emperor Andronicus I. [ANDRONICUS I. COMNENUS], had married George's sister, and wished to employ him and another person to make away with the empress Maria, mother and guardian of Alexis. Both of them refused to embrue their own hands in her blood, but wanted either the power or the will to prevent him from executing his purpose by other instruments. (Nicetas Choniat. Alex. Manuel. Fil.