_Co-Emperors_— Alexander 912-913 Romanus I. Lecapenus 919-945 Constantine VIII. 944 and Stephanus, sons of Romanus I., reigned five weeks Romanus II. 958-963 Basil II. 963-1025 Bulgaroktonos _Co-Emperors_— Nicephorus II. 963-969 Phocas John I. Zimisces 969-976 Constantine IX. 976-1025 Constantine IX. 1025-1028 Romanus III. Argyrus 1028-1034 Michael IV., the 1034-1042 Paphlagonian Michael V. 1042 Zoe and Theodora 1042 Constantine X. 1042-1054 Monomachus Theodora (restored) 1054-1056 Michael VI. 1056-1057 Stratioticus Isaac I. Comnenus 1057-1059 Constantine XI. 1059-1067 Ducas Michael VII. Ducas 1067-1078 _Co-Emperor_— Romanus IV. Diogenes 1067-1078 Nicephorus III. 1078-1081 Botoniates Alexius I. Comnenus 1081-1118 John II. Comnenus 1118-1143 Manuel I. Comnenus 1143-1180 Alexius II. Comnenus 1180-1183 Andronicus I. 1183-1185 Comnenus Isaac II. Angelus 1185-1195 Alexius III. Angelus 1195-1203 Isaac II. (restored) 1203-1204 Alexius IV. Angelus Nicolas Canabus 1204 Alexius V. Ducas, 1204 Murtzuphlus Latin Emperors. Baldwin I. 1204-1205 Henry 1205-1216 Peter 1217-1219 Robert 1219-1228 John of Brienne 1228-1237 Baldwin II. 1237-1261 Nicæan Emperors. Theodore I. Lascaris 1204-1222 John III. Ducas 1222-1254 Theodore II. Ducas 1254-1259 John IV. Ducas 1259-1260 Empire Restored. Michael VIII. 1260-1282 Palæologus