Due to his brothers ' close ties to the Epirote ruler , his loyalty was suspected by the Nicaean emperor Theodore II Laskaris .
He was put in prison until 1259 , when Michael VIII Palaiologos set him free and allowed him to return to his see .
Due to his brothers ' close ties to the Epirote ruler , his loyalty was suspected by the Nicaean emperor Theodore II Laskaris , and he was put in prison until 1259 , when Michael VIII Palaiologos set him free and allowed him to return to his see .