# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/john-iv-of-trebizond
# Generated: 2026-09-01T02:09:52.199Z

schema: https://schema.org/Person
url: "https://fame.am/person/john-iv-of-trebizond"
name: "John IV of Trebizond"
slug: "john-iv-of-trebizond"
description: "John IV Megas Komnenos was Emperor of Trebizond from 1429 until his death. He was a son of Emperor Alexios IV of Trebizond and Theodora Kantakouzene."
tagline: "Emperor of Trebizond"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/John_IV_of_Trebizond_crop.png?width=1200"
gender: "male"
category:
  name: "Historical Figures"
  slug: "historical-figures"
profileType:
  name: "Historical Figure"
  slug: "historical-figure"
  entityType: "https://www.wikidata.org/entity/Q2798645"
birthDate: "1404"
deathDate: "1460"
livingStatus: "DECEASED"
scores:
  popularity:           52.26
  momentum:             1.435523114355231
  historical:           20.61793333333334
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  60
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://sv.wikipedia.org/wiki/Johannes_IV_av_Trapezunt"
    title: "Johannes IV av Trapezunt"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D9%8A%D9%88%D8%AD%D9%86%D8%A7_%D8%A7%D9%84%D8%B1%D8%A7%D8%A8%D8%B9_%D8%A7%D9%84%D8%B7%D8%B1%D8%A8%D8%B2%D9%88%D9%86%D9%8A"
    title: "يوحنا الرابع الطربزوني"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%AC%D9%88%D9%86_%D8%A7%D9%84%D8%B1%D8%A7%D8%A8%D8%B9_%D8%B7%D8%B1%D8%A7%D8%A8%D8%B2%D9%88%D9%86"
    title: "جون الرابع طرابزون"
    type:  "WIKIPEDIA"
  - url: "https://azb.wikipedia.org/wiki/%D8%AF%D8%A4%D8%B1%D8%AF%D9%88%D9%86%D8%AC%D9%88_%DA%98%D8%A7%D9%86_%D8%AA%D8%B1%D8%A7%D8%A8%D9%88%D8%B2%D8%A7%D9%86"
    title: "دؤردونجو ژان ترابوزان"
    type:  "WIKIPEDIA"
  - url: "https://az.wikipedia.org/wiki/IV_%C4%B0ohann"
    title: "IV İohann"
    type:  "WIKIPEDIA"
  - url: "https://bg.wikipedia.org/wiki/%D0%99%D0%BE%D0%B0%D0%BD_IV_%D0%92%D0%B5%D0%BB%D0%B8%D0%BA%D0%B8_%D0%9A%D0%BE%D0%BC%D0%BD%D0%B8%D0%BD"
    title: "Йоан IV Велики Комнин"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Joan_IV_de_Trebisonda"
    title: "Joan IV de Trebisonda"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Johannes_IV._(Trapezunt)"
    title: "Johannes IV. (Trapezunt)"
    type:  "WIKIPEDIA"
  - url: "https://el.wikipedia.org/wiki/%CE%99%CF%89%CE%AC%CE%BD%CE%BD%CE%B7%CF%82_%CE%94%CE%84_%CE%9C%CE%AD%CE%B3%CE%B1%CF%82_%CE%9A%CE%BF%CE%BC%CE%BD%CE%B7%CE%BD%CF%8C%CF%82"
    title: "Ιωάννης Δ΄ Μέγας Κομνηνός"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/John_IV_of_Trebizond"
    title: "John IV of Trebizond"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Juan_IV_de_Trebisonda"
    title: "Juan IV de Trebisonda"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%DA%98%D8%A7%D9%86_%DA%86%D9%87%D8%A7%D8%B1%D9%85_%D8%AA%D8%B1%D8%A7%D8%A8%D9%88%D8%B2%D8%A7%D9%86"
    title: "ژان چهارم ترابوزان"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Jean_IV_de_Tr%C3%A9bizonde"
    title: "Jean IV de Trébizonde"
    type:  "WIKIPEDIA"
  - url: "https://gl.wikipedia.org/wiki/Xo%C3%A1n_IV_de_Trebisonda"
    title: "Xoán IV de Trebisonda"
    type:  "WIKIPEDIA"
  - url: "https://hu.wikipedia.org/wiki/IV._I%C3%B3ann%C3%A9sz_trapezunti_cs%C3%A1sz%C3%A1r"
    title: "IV. Ióannész trapezunti császár"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Giovanni_IV_di_Trebisonda"
    title: "Giovanni IV di Trebisonda"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E3%83%A8%E3%83%8F%E3%83%8D%E3%82%B94%E4%B8%96_(%E3%83%88%E3%83%AC%E3%83%93%E3%82%BE%E3%83%B3%E3%83%89%E7%9A%87%E5%B8%9D)"
    title: "ヨハネス4世 (トレビゾンド皇帝)"
    type:  "WIKIPEDIA"
  - url: "https://ka.wikipedia.org/wiki/%E1%83%98%E1%83%9D%E1%83%90%E1%83%9C%E1%83%94_IV_(%E1%83%A2%E1%83%A0%E1%83%90%E1%83%9E%E1%83%98%E1%83%96%E1%83%9D%E1%83%9C%E1%83%98)"
    title: "იოანე IV (ტრაპიზონი)"
    type:  "WIKIPEDIA"
  - url: "https://la.wikipedia.org/wiki/Ioannes_IV_(imperator_Trapezuntinus)"
    title: "Ioannes IV (imperator Trapezuntinus)"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Johannes_IV_van_Trebizonde"
    title: "Johannes IV van Trebizonde"
    type:  "WIKIPEDIA"
  - url: "https://no.wikipedia.org/wiki/Johannes_IV_Megas_Komnenos"
    title: "Johannes IV Megas Komnenos"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Jan_IV_Wielki_Komnen"
    title: "Jan IV Wielki Komnen"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Jo%C3%A3o_IV_de_Trebizonda"
    title: "João IV de Trebizonda"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%98%D0%BE%D0%B0%D0%BD%D0%BD_IV_%D0%92%D0%B5%D0%BB%D0%B8%D0%BA%D0%B8%D0%B9_%D0%9A%D0%BE%D0%BC%D0%BD%D0%B8%D0%BD"
    title: "Иоанн IV Великий Комнин"
    type:  "WIKIPEDIA"
  - url: "https://sr.wikipedia.org/wiki/%D0%88%D0%BE%D0%B2%D0%B0%D0%BD_IV_%D0%92%D0%B5%D0%BB%D0%B8%D0%BA%D0%B8_%D0%9A%D0%BE%D0%BC%D0%BD%D0%B8%D0%BD"
    title: "Јован IV Велики Комнин"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q536820"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump