 Complete the following phrase:  The next inmate was the deposed Emperor Andronikos I Komnenos r. 11831185, who was imprisoned there on the eve of his public execution in the Hippodrome of Constantinople, on September 12, 1185. The next known prisoner was John Bekkos, then the chartophylax of the Hagia Sophia and future Patriarch of Constantinople as John XI, who was imprisoned there for opposing Emperor Michael VIII Palaiologoss r. 12591282 intended reunion of the Eastern Orthodox and Roman Catholic Churches. In 1322, Syrgiannes Palaiologos, who conspired both with and against Emperor Andronikos II Palaiologos r. 12821328 and his grandson and opponent Andronikos III r. 13281341 in their 