Ioannes IV Ducas Lascares (Graece Ἰωάννης Δούκας Λάσκαρης; natus die 25 Decembris 1250; mortuus anno circiter 1305) fuit imperator Byzantinus qui, Constantinopoli a militibus quartae expeditionis sacrae capto, in urbe Nicaea regnavit. Fuit filius Theodori II Ducae Lascaris quem ex Helena Bulgariae genuit. Collegam imperii accepit Michaelem Palaeologum, qui die 25 Iulii 1261 Constantinopolim debellavit. Michael solus ibi postea regnavit Ioannemque excaecari iussit.

Wikidata Ioannes IV Ducas Lascares
Res apud Vicidata repertae:
Ioannes IV Ducas Lascares: imago
Ioannes IV Ducas Lascares: imago
Nativitas: 25 Decembris 1250; Nicaea
Obitus: 1305;
Patria: Imperium Byzantinum

Familia

Genitores: Theodorus II Ducas Lascares; Elena Asenina of Bulgaria
Familia: Lascares

Nexus externi

recensere
Imperatores Constantinopolitani

379–395 Theodosius I • 395–408 Arcadius • 408–450 Theodosius II • 450–457 Marcianus • 457–474 Leo I • 474 Leo II • 474–491 Zeno • 475-476 Flavius Basiliscus • 491–518 Anastasius I • 518–527 Iustinus I  • 527–565 Iustinianus I • 565–578 Iustinus II • 578–582 Flavius Tiberius Constantinus • 582–602 Mauricius • 602–610 Phocas • 610–641 Heraclius • 641 Constantinus III • 641 Heraclius II Heraclonas • 641–668 Constans II • 668–685 Constantinus IV • 685–695 Iustinianus II • 695–698 Leontius • 698–705 Tiberius III • 705–711 Iustinianus II • 711–713 Philippicus • 713–715 Anastasius II • 715–717 Theodosius III • 717–741 Leo III Isaurianus • 741–775 Constantinus V • 775–780 Leo IV • 780–797 Constantinus VI • 797–802 Irene • 802–811 Nicephorus I • 811 Stauracius • 811–813 Michael I Rhangabus • 813–820 Leo V Armenius • 820–829 Michael II • 829–842 Theophilus • 842–867 Michael III • 866–886 Basilius I Macedonius • 886–912 Leo VI Sapiens • 912–913 Alexander • 913–959 Constantinus VII Porphyrogenitus • 919–944 Romanus I Lacapenus • 959–963 Romanus II • 963–969 Nicephorus II Phocas • 969–976 Ioannes I Tzimisces • 976–1025 Basilius II Bulgaroctonus • 1025-28 Constantinus VIII • 1028-34 Romanus III Argyrus • 1034-41 Michael IV Paphlagon • 1041-42 Michael V • 1042 Zoë • 1042 Theodora • 1042-55 Constantinus IX Monomachus • 1055-56 Theodora • 1056–57 Michael VI Stratioticus • 1057–59 Isaacius I Comnenus • 1059–67 Constantinus X Ducas • 1067–78 Michael VII Ducas • 1068–71 Romanus IV Diogenes • 1078–81 Nicephorus III Botaniates • 1081–1118 Alexius I Comnenus • 1118–43 Ioannes II Comnenus • 1143–80 Manuel I Comnenus • 1180–83 Alexius II Comnenus • 1182–85 Andronicus I Comnenus • 1185–95 Isaacius II Angelus • 1195–1203 Alexius III Angelus • 1203–04 • Alexius IV Angelus • 1204 Alexius V Ducas • 1204–1222 Theodorus I Lascares • 1222–1254 Ioannes III Ducas Batatzes • 1254–1258 Theodorus II Ducas Lascares • 1258–1261 Ioannes IV Ducas Lascares • 1261–1282 Michael VIII Palaeologus • 1282–1328 Andronicus II Palaeologus • 1328–1341 Andronicus III Palaeologus • 1341–1347 Ioannes V Palaeologus • 1347–1354 Ioannes VI Cantacuzenus • 1355–1376 Ioannes V Palaeologus • 1376–1379 Andronicus IV Palaeologus • 1379–1391 Ioannes V Palaeologus • 1390 Ioannes VII Palaeologus • 1391–1425 Manuel II Palaeologus • 1425–1448 Ioannes VIII Palaeologus • 1448–1453 Constantinus XI Palaeologus