 Brought to Constantinople , Xiphias was tonsured and banished to Antigone , one of the Princes Islands . Following his return to the capital after his Georgian expedition , Basil II had most of his co @-@ conspirators imprisoned and their estates confiscated . The patrikios <unk> the Iberian was executed , while two imperial chamberlains were also killed : one by Basil 's own hand , and the other , who had tried to poison the Emperor , was thrown to the beasts . 
