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Leo IX

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

Leo IX was born on June 21, 1002[1], in Eguisheim[2]. He died on April 19, 1054[3], in Rome[4]. He worked as a Catholic priest[5] and writer[6]. He ranks in the top 0.7% of human entities by monthly Wikipedia readership (3,319 views/month, #7,005 of 1,000,298).[7]

Key Facts

  • Place of burial: St. Peter's Basilica[8]
  • Father: Hugh IV, count of Nordgau[9]
  • Mother: Heilwig of Dabo[10]
  • Country of citizenship: Holy Roman Empire[11]
  • Position held: Pope[12], Roman Catholic Bishop of Toul[13]
  • Religion or worldview: Catholic Church[14]
  • Sex or gender: male[15]
  • Family: Etichonids[16]
  • Commons category: Leo IX[17]
  • Canonization status: canonized saint[18]
  • Cause of death: malaria[19]
  • Given name: Leo[20], Lev[21]
  • Feast day: April 19[22]
  • Topic's main category: Category:Pope Leo IX[23]
  • Work location: Rome[24], Papal States[25]
  • Manner of death: natural causes[26]
  • Described by source: Brockhaus and Efron Encyclopedic Dictionary[27], Allgemeine Deutsche Biographie[28], The Nuttall Encyclopædia[29], Encyclopædia Britannica 11th edition[30]
  • Languages spoken, written or signed: Latin[31]
  • Commons Creator page: Leo IX[32]
  • Birth name: Bruno d'Egisheim-Dadsburg[33]
  • Name in native language: Leo PP. IX[34]
  • Consecrator: Poppo[35]
  • Subject has role: Pope[36]

Body

Works and Contributions

Things named for Leo IX include San Lio[37], a church building[38], in Italy[39], founded in 0900[40].

Why It Matters

Leo IX has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[41] He is known by 73 alternative names across languages and contexts.[42]

Entities named for him include San Lio[37], a church building[38], in Italy[39], founded in 0900[40].

FAQs

Where was Leo IX born?

Leo IX was born in Eguisheim[2].

Where did Leo IX die?

Leo IX passed away in Rome[4].

Who were Leo IX's parents?

Leo IX's father was Hugh IV, count of Nordgau[9]. Leo IX's mother was Heilwig of Dabo[10].

What did Leo IX do for work?

Leo IX worked as a Catholic priest[5] and writer[6].

Related Entities

Colliano Eguisheim Holy Roman Empire Papal States Sainte-Eulalie Sessa Aurunca

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. [15] ↑ . BeWeB. Retrieved . wikidata.org.
  4. [9] ↑ . wikidata.org.
  5. [10] ↑ . wikidata.org.
  6. [11] ↑ . wikidata.org.
  7. [12] ↑ . BeWeB. Retrieved . wikidata.org.
  8. [13] ↑ . Abbé Migne, "Nouvelle encyclopédie théologique", 1851. Retrieved . books.google.fr. Provenance: wikidata.org.
  9. [16] ↑ . wikidata.org.
  10. [5] ↑ . wikidata.org.
  11. [6] ↑ . Mirabile: Digital Archives for Medieval Culture. wikidata.org.
  12. [8] ↑ . wikidata.org.
  13. [14] ↑ . Catholic-Hierarchy.org. Retrieved . wikidata.org.
  14. [17] ↑ . wikidata.org.
  15. [18] ↑ . wikidata.org.
  16. [19] ↑ . wikidata.org.
  17. [1] ↑ . Enciclopedia dei Papi. Retrieved . wikidata.org.
  18. [3] ↑ . Enciclopedia dei Papi. Retrieved . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . wikidata.org.
  26. [27] ↑ . wikidata.org.
  27. [28] ↑ . wikidata.org.
  28. [29] ↑ . wikidata.org.
  29. [30] ↑ . wikidata.org.
  30. [31] ↑ . Mirabile: Digital Archives for Medieval Culture. wikidata.org.
  31. [32] ↑ . wikidata.org.
  32. [33] ↑ . wikidata.org.
  33. [34] ↑ . wikidata.org.
  34. [35] ↑ . wikidata.org.
  35. [36] ↑ . A Biographical Dictionary of the Saints. wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [37] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [38] ↑ . Wikidata. wikidata.org. → on this site
  2. [39] ↑ . Wikidata. wikidata.org. → on this site
  3. [40] ↑ . Wikidata. wikidata.org. → on this site

Aggregate / graph-position facts

  1. [7] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [41] ↑ . Wikidata sitelinks. wikidata.org.
  3. [42] ↑ . 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 October 14, 2026, from https://4ort.xyz/entity/leo-ix
MLA “Leo IX.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Oct. 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: 2026-10-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Leo IX — https://4ort.xyz/entity/leo-ix (retrieved 2026-10-14)

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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. 14d ago · 日巫女 · 2026-10-02 view diff on Wikidata ↗
    Familysearch person id → —
    Claims rich → —
    "/* wbremoveclaims-remove:1| */ Familysearch person id: MGS1-MHD, #quickstatements; #temporary_batch_1790908883845"
  2. 14d ago · 日巫女 · 2026-10-02 view diff on Wikidata ↗
    Wikipedia languages → ['af', 'ar', 'arz', 'bcl', 'be', 'bg', 'br', 'ca', 'cdo', 'commons', 'cs', 'de',
    Sitelink count → 77
    Familysearch person id → —
    Claims rich → —
    "/* wbcreateclaim-create:1| */ Familysearch person id: MGS1-MHD, #quickstatements; #temporary_batch_1790902746679"
  3. 6w ago · Dodro · 2026-09-01 view diff on Wikidata ↗
    Library of the university of santiago de compostela authority id → 981013402414507712
    "/* wbsetclaim-create:2||1 */ Library of the university of santiago de compostela authority id: 981013402414507712"
  4. 8w ago · Mahirtwofivesix · 2026-08-19 view diff on Wikidata ↗
    Babelnet id → 00013479n
    Arabic ontology lexical concept id → 151060462
    "/* wbeditentity-statements-multiple-properties-update:0||4 */ added/modified IDs mapped to WordNet 3.1"
  5. 12w ago · Pierrotrgr · 2026-07-22 view diff on Wikidata ↗
    Biblissima authority id → Aichach-Friedberg
    "/* wbsetclaim-create:2||1 */ Biblissima authority id: Q10415, Import ID Biblissima V2 ([[:toollabs:editgroups/b/OR/74d891b831c|details]])"
  6. 14w ago · Printstream · 2026-07-04 view diff on Wikidata ↗
    P14608 → 118727494
    "/* wbcreateclaim-create:1| */ P14608: 118727494, #quickstatements; #temporary_batch_1783130387391"
  7. 15w ago · Printstream · 2026-07-02 view diff on Wikidata ↗
    P14585 → 86639
    "/* wbcreateclaim-create:1| */ P14585: 86639, #quickstatements; #temporary_batch_1782930557898"
  8. 17w ago · Epìdosis · 2026-06-13 view diff on Wikidata ↗
    Parsifal cluster id → 105531, 65751
    "/* wbsetclaim-create:1||1 */ Parsifal cluster id: 65751, Matched to [[:toollabs:mix-n-match/#/entry/160768686|Leo (#160768686)]] in [[:toollabs:mix-n-match/#/catalog/6216|Parsifal persons]] #mix'n'mat"
  9. 19w ago · Epìdosis · 2026-05-31 view diff on Wikidata ↗
    Occupation → Catholic priest, writer
    "/* wbremoveclaims-remove:1| */ Occupation: Pope, [[:toollabs:quickstatements/#/batch/259233|batch #259233]]"
  10. 19w ago · RVA2869 · 2026-05-29 view diff on Wikidata ↗
    Described by source → Brockhaus and Efron Encyclopedic Dictionary, Allgemeine Deutsche Biographie, The Nuttall Encyclopædia +1
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/33786|batch #33786]]: Remove redundant described by source (P1343) - ID P14483 is present."
  11. 20w ago · XeNivalys · 2026-05-27 view diff on Wikidata ↗
    P14483 → p/papa-leon-ix
    "/* wbcreateclaim-create:1| */ P14483: p/papa-leon-ix, #quickstatements; #temporary_batch_1779856745649"
  12. 21w 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)"
  13. 22w 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)"
  14. 22w 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"
  15. 23w 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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