Leo IX

Head of the Catholic Church from 1049 to 1054
Person human Q58559
Leo IX
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Leo IX

Summary

Leo IX is a human[1]. His place of birth was Eguisheim[2]. He was born on June 21, 1002[3]. He passed away in Rome[4]. He died on April 19, 1054[5]. He worked as a Catholic priest[6] and writer[7]. He ranks in the top 0.7% of human entities by monthly Wikipedia readership (296 views/month, #7,005 of 1,000,298).[8]

Key Facts

  • Born in Eguisheim[2], Leo IX…
  • Leo IX died in Rome[4].
  • Leo IX was born on June 21, 1002[3].
  • Leo IX died on April 19, 1054[5].
  • Leo IX is buried at St. Peter's Basilica[9].
  • Leo IX's father was Hugh IV, count of Nordgau[10].
  • Leo IX's mother was Heilwig of Dabo[11].
  • Leo IX held citizenship in Holy Roman Empire[12].
  • Leo IX's professions included Catholic priest[6].
  • Leo IX's professions included writer[7].
  • Leo IX held the position of Pope[13].
  • Leo IX held the position of Roman Catholic Bishop of Toul[14].
  • Leo IX's religion is recorded as Catholic Church[15].
  • Leo IX is recorded as male[16].
  • Leo IX's instance of is recorded as human[17].
  • Leo IX's family is recorded as Etichonids[18].
  • Leo IX's Commons category is recorded as Leo IX[19].
  • Leo IX's canonization status is recorded as canonized saint[20].
  • The cause of death was malaria[21].
  • Leo IX's given name is recorded as Leo[22].
  • Leo IX's given name is recorded as Lev[23].
  • Leo IX's feast day is recorded as April 19[24].
  • Leo IX's feast day is recorded as April 19[25].
  • Leo IX's topic's main category is recorded as Category:Pope Leo IX[26].
  • Leo IX's work location is recorded as Rome[27].

Body

Origins and Family

Born in Eguisheim[2], Leo IX… he was born on June 21, 1002[3]. His father was Hugh IV, count of Nordgau[10]. His mother was Heilwig of Dabo[11].

Career and Affiliations

Recorded occupations include Catholic priest[6] and writer[7]. Positions held include Pope[13], a Roman Catholic episcopal title[28], in Vatican City[29], founded in 0033[30] and Roman Catholic Bishop of Toul[14], a historical episcopal title[31], founded in 0335[32].

Personal Life

Leo IX's religion is recorded as Catholic Church[15].

Death and Burial

Leo IX died on April 19, 1054[5]. He died in Rome[4]. The cause of death was malaria[21]. He is buried at St. Peter's Basilica[9].

Works and Contributions

Things named for Leo IX include San Lio[33], a church building[34], in Italy[35], founded in 0900[36].

Why It Matters

Leo IX ranks in the top 0.7% of human entities by monthly Wikipedia readership (296 views/month, #7,005 of 1,000,298).[8] He has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[37] He is known by 49 alternative names across languages and contexts.[38]

Entities named for him include San Lio[33], a church building[34], in Italy[35], founded in 0900[36].

FAQs

Where was Leo IX born?

Leo IX's place of birth was Eguisheim[2].

Where did Leo IX die?

Leo IX died in Rome[4].

Who were Leo IX's parents?

Leo IX's father was Hugh IV, count of Nordgau[10]. Leo IX's mother was Heilwig of Dabo[11].

What did Leo IX do for work?

Leo IX worked as Catholic priest[6] and writer[7].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] . theguardian.com. theguardian.com. Provenance: wikidata.org.
  2. [4] . wikidata.org.
  3. [16] . BeWeB. Retrieved . wikidata.org.
  4. [10] . wikidata.org.
  5. [11] . wikidata.org.
  6. [12] . wikidata.org.
  7. [17] . Abbé Migne, "Nouvelle encyclopédie théologique", 1851. Retrieved . books.google.fr. Provenance: wikidata.org.
  8. [13] . BeWeB. Retrieved . wikidata.org.
  9. [14] . Abbé Migne, "Nouvelle encyclopédie théologique", 1851. Retrieved . books.google.fr. Provenance: wikidata.org.
  10. [18] . wikidata.org.
  11. [6] . wikidata.org.
  12. [7] . Mirabile: Digital Archives for Medieval Culture. wikidata.org.
  13. [9] . wikidata.org.
  14. [15] . Catholic-Hierarchy.org. Retrieved . wikidata.org.
  15. [19] . wikidata.org.
  16. [20] . wikidata.org.
  17. [21] . wikidata.org.
  18. [3] . Enciclopedia dei Papi. Retrieved . wikidata.org.
  19. [5] . Enciclopedia dei Papi. Retrieved . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [33] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site
  2. [29] . Wikidata. wikidata.org. → on this site
  3. [30] . Wikidata. wikidata.org. → on this site
  4. [31] . Wikidata. wikidata.org. → on this site
  5. [32] . Wikidata. wikidata.org. → on this site
  6. [34] . Wikidata. wikidata.org. → on this site
  7. [35] . Wikidata. wikidata.org. → on this site
  8. [36] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [8] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [37] . Wikidata sitelinks. wikidata.org.
  3. [38] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Leo IX. Retrieved April 10, 2026, from https://4ort.xyz/entity/leo-ix
MLA “Leo IX.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/leo-ix.
BibTeX @misc{4ortxyz_leo-ix_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Leo IX}}, year = {2026}, url = {https://4ort.xyz/entity/leo-ix}, note = {Accessed: 2026-04-10}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 23h ago · Epìdosis · 2026-05-21 view diff on Wikidata ↗
    Occupation Catholic priest, writer
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32118|batch #32118]]: import P21 and P106 from GND (31)"
  2. 9d ago · Epìdosis · 2026-05-12 view diff on Wikidata ↗
    Local thumb
    Pontificia università della santa croce id 46439
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30851|batch #30851]]: match CERL IDs on the basis of GND (7)"
  3. 13d ago · Bargioni · 2026-05-08 view diff on Wikidata ↗
    Pontificia università della santa croce id 46439
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30666|batch #30666]]: fix P1810 of P12458"
  4. 14d ago · Bargioni · 2026-05-07 view diff on Wikidata ↗
    Local thumb
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30468|batch #30468]]: add P1810 to P5739 2/3"
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