John, King of Bulgaria, [276];
conquers Baldwin I., [295]
John the Cappadocian, finance minister, [76]
John Chrysostom, patriarch, [52];
exiled, [53]
John Ducas, regent, [255]
John the Faster, patriarch, [120]
John the Grammarian, patriarch, [209], [212]
John Huniades, general, [342]