# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/jacob-svetoslav
# Generated: 2026-08-14T07:10:10.542Z

schema: https://schema.org/Person
url: "https://fame.am/person/jacob-svetoslav"
name: "Jacob Svetoslav"
slug: "jacob-svetoslav"
description: "Jacob Svetoslav was a prominent 13th-century Bulgarian noble (bolyarin) of Rus' origin. Bestowed the title of despot, Jacob Svetoslav was the ruler of a widely autonomous domain of the Second Bulgarian Empire most likely located around Sofia. Seeking further independence and claiming the title of Emperor of Bulgaria, he twice changed allegiance from Bulgaria to the Kingdom of Hungary and vice versa, and the Hungarians recognized his Bulgarian royal rank as their vassal and ruler of Vidin."
tagline: "Emperor (tsar) of Bulgaria"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Yakovsvetoslavcoin.jpg?width=1200"
gender: "male"
birthDate: "1201"
deathDate: "1270"
livingStatus: "DECEASED"
scores:
  popularity:           41.53
  momentum:             0
  historical:           10.47480266666667
  currentAttention:     0
  sourceConfidence:     60
  profileCompleteness:  40
  trendDirection:       "STABLE"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://uk.wikipedia.org/wiki/%D0%AF%D0%BA%D1%96%D0%B2_%D0%A1%D0%B2%D1%8F%D1%82%D0%BE%D1%81%D0%BB%D0%B0%D0%B2"
    title: "Яків Святослав"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D8%AC%D8%A7%D9%83%D9%88%D8%A8_%D8%B3%D9%81%D9%8A%D8%AA%D9%88%D8%B3%D9%84%D8%A7%D9%81"
    title: "جاكوب سفيتوسلاف"
    type:  "WIKIPEDIA"
  - url: "https://bg.wikipedia.org/wiki/%D0%AF%D0%BA%D0%BE%D0%B2_%D0%A1%D0%B2%D0%B5%D1%82%D0%BE%D1%81%D0%BB%D0%B0%D0%B2"
    title: "Яков Светослав"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Jakob_Swetoslaw"
    title: "Jakob Swetoslaw"
    type:  "WIKIPEDIA"
  - url: "https://el.wikipedia.org/wiki/%CE%93%CE%B9%CE%B1%CE%BA%CF%8C%CE%B2_%CE%A3%CE%B2%CE%AD%CF%84%CE%BF%CF%83%CE%BB%CE%B1%CE%B2"
    title: "Γιακόβ Σβέτοσλαβ"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Jacob_Svetoslav"
    title: "Jacob Svetoslav"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Jacobo_Svetoslav"
    title: "Jacobo Svetoslav"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Jacob_Svetoslav"
    title: "Jacob Svetoslav"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Giacobbe_Svetoslav"
    title: "Giacobbe Svetoslav"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Jac%C3%B3_Esvetoslau"
    title: "Jacó Esvetoslau"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%AF%D0%BA%D0%BE%D0%B2_%D0%A1%D0%B2%D0%B5%D1%82%D0%BE%D1%81%D0%BB%D0%B0%D0%B2"
    title: "Яков Светослав"
    type:  "WIKIPEDIA"
  - url: "https://sr.wikipedia.org/wiki/%D0%88%D0%B0%D0%BA%D0%BE%D0%B2_%D0%A1%D0%B2%D0%B5%D1%82%D0%BE%D1%81%D0%BB%D0%B0%D0%B2"
    title: "Јаков Светослав"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q523717"
    title: "Wikidata"
    type:  "WIKIDATA"

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