Namesakes for IOANNES:
Roman and Byzantine Emperors:
8 emperors
Emperor Johannes Tzimisces (a.k.a. Ioannes, John) 969-976
Emperor Johannes Comnenus (a.k.a. Ioannes, John) 1118-1143
Emperor Johannes Ducas Vatatzes (a.k.a. Ioannes, John) 1222-1254
Emperor Johannes Ducas Lascaris (a.k.a. Ioannes, John) 1258-1261
Emperor Johannes Palaeologus (a.k.a. Ioannes, John) 1341-1376/1379-1390/1390-1391
Emperor Johannes Cantacuzene (a.k.a. Ioannes, John) 1341-1354
Emperor Johannes Palaeologus (a.k.a. Ioannes, John) 1390
Emperor Johannes Palaeologus (a.k.a. Ioannes, John) 1425-1448
