Ioannes I ( el, Ἰωάννης A΄, link=no, "John I") may refer to:
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Patriarch John I of Constantinople
John Chrysostom (; gr, Ἰωάννης ὁ Χρυσόστομος; 14 September 407) was an important Early Church Father who served as archbishop of Constantinople. He is known for his preaching and public speaking, his denunciation of ...
(c. 347–407)
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John I Tzimiskes
John I Tzimiskes (; 925 – 10 January 976) was the senior Byzantine emperor from 969 to 976. An intuitive and successful general, he strengthened the Empire and expanded its borders during his short reign.
Background
John I Tzimiskes ...
(c. 925–976), Byzantine Emperor
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John I Doukas of Thessaly
John I Doukas ( gr, Ἰωάννης Δούκας, Iōánnēs Doúkas), Latinized as Ducas, was an illegitimate son of Michael II Komnenos Doukas, Despot of Epirus in –1268. After his father's death, he became ruler of Thessaly from to his own ...
(c. 1240–1289)
See also
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John I (disambiguation) John I may refer to:
People
* John I (bishop of Jerusalem)
* John Chrysostom (349 – c. 407), Patriarch of Constantinople
* John of Antioch (died 441)
* Pope John I, Pope from 523 to 526
* John I (exarch) (died 615), Exarch of Ravenna
* John I ...
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Ioannes II (disambiguation) Ioannes II ( el, Ἰωάννης Β΄, "John II") may refer to:
* Patriarch John II of Constantinople (ruled 518–520)
* John II Komnenos (1087–1143), Byzantine emperor
* John II of Trebizond (c. 1262–1297)
* John II Doukas of Thessaly (ruled ...
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