John I, Duke of Brittany

French duke
Person human Q381851
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John I, Duke of Brittany

Summary

John I, Duke of Brittany is a human[1]. Born in Dreux[2], he… he was born on January 1, 1217[3]. He died in Marzan[4]. He died on October 8, 1286[5]. He ranks in the top 0.72% of human entities by monthly Wikipedia readership (141 views/month, #7,229 of 1,000,298).[6]

Key Facts

  • John I, Duke of Brittany's place of birth was Dreux[2].
  • John I, Duke of Brittany died in Marzan[4].
  • John I, Duke of Brittany was born on January 1, 1217[3].
  • John I, Duke of Brittany died on October 8, 1286[5].
  • John I, Duke of Brittany's father was Peter I, Duke of Brittany[7].
  • John I, Duke of Brittany's mother was Alix, duchess of Brittany[8].
  • Among John I, Duke of Brittany's spouses was Blanche of Navarre[9].
  • A child of John I, Duke of Brittany was Alix of Brittany[10].
  • A child of John I, Duke of Brittany was John II, Duke of Brittany[11].
  • John I, Duke of Brittany held citizenship in France[12].
  • John I, Duke of Brittany's religion is recorded as Christianity[13].
  • John I, Duke of Brittany is recorded as male[14].
  • John I, Duke of Brittany's instance of is recorded as human[15].
  • John I, Duke of Brittany's family is recorded as House of Dreux[16].
  • John I, Duke of Brittany's noble title is recorded as duke of Brittany[17].
  • John I, Duke of Brittany's noble title is recorded as count[18].
  • John I, Duke of Brittany's Commons category is recorded as John I, Duke of Brittany[19].
  • John I, Duke of Brittany's given name is recorded as John[20].
  • John I, Duke of Brittany's languages spoken, written or signed is recorded as French[21].
  • John I, Duke of Brittany's name in native language is recorded as {'lang': 'fr', 'text': 'Jean Ier de Bretagne'}[22].
  • John I, Duke of Brittany's sibling is recorded as Yolande of Brittany[23].
  • John I, Duke of Brittany's social classification is recorded as nobility[24].

Body

Origins and Family

John I, Duke of Brittany was born in Dreux[2]. He was born on January 1, 1217[3]. His father was Peter I, Duke of Brittany[7]. His mother was Alix, duchess of Brittany[8].

Personal Life

Among John I, Duke of Brittany's spouses was Blanche of Navarre[9]. Children include Alix of Brittany[10], an aristocrat[25], 1243–1288[26], of France[27] and John II, Duke of Brittany[11], 1239–1305[28], of Kingdom of England[29]. His religion is recorded as Christianity[13].

Death and Burial

John I, Duke of Brittany died on October 8, 1286[5]. He passed away in Marzan[4].

Why It Matters

John I, Duke of Brittany ranks in the top 0.72% of human entities by monthly Wikipedia readership (141 views/month, #7,229 of 1,000,298).[6] He has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[30] He is known by 8 alternative names across languages and contexts.[31]

FAQs

Where was John I, Duke of Brittany born?

John I, Duke of Brittany's place of birth was Dreux[2].

Where did John I, Duke of Brittany die?

John I, Duke of Brittany died in Marzan[4].

Who were John I, Duke of Brittany's parents?

John I, Duke of Brittany's father was Peter I, Duke of Brittany[7]. John I, Duke of Brittany's mother was Alix, duchess of Brittany[8].

Who was John I, Duke of Brittany married to?

John I, Duke of Brittany's spouses include Blanche of Navarre[9].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [4] . wikidata.org.
  3. [14] . wikidata.org.
  4. [7] . wikidata.org.
  5. [8] . wikidata.org.
  6. [9] . Retrieved . wikidata.org.
  7. [12] . wikidata.org.
  8. [15] . wikidata.org.
  9. [10] . wikidata.org.
  10. [11] . wikidata.org.
  11. [16] . wikidata.org.
  12. [17] . wikidata.org.
  13. [18] . wikidata.org.
  14. [13] . wikidata.org.
  15. [19] . wikidata.org.
  16. [3] . wikidata.org.
  17. [5] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.

Inline context (facts about related entities)

  1. [25] . Wikidata. wikidata.org. → on this site
  2. [26] . Wikidata. wikidata.org. → on this site
  3. [27] . Wikidata. wikidata.org. → on this site
  4. [28] . Wikidata. wikidata.org. → on this site
  5. [29] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [6] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [30] . Wikidata sitelinks. wikidata.org.
  3. [31] . 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). John I, Duke of Brittany. Retrieved April 10, 2026, from https://4ort.xyz/entity/john-i-duke-of-brittany
MLA “John I, Duke of Brittany.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/john-i-duke-of-brittany.
BibTeX @misc{4ortxyz_john-i-duke-of-brittany_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{John I, Duke of Brittany}}, year = {2026}, url = {https://4ort.xyz/entity/john-i-duke-of-brittany}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): John I, Duke of Brittany — https://4ort.xyz/entity/john-i-duke-of-brittany (retrieved 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. 8w ago · Epìdosis · 2026-05-12 view diff on Wikidata ↗
    Citizenship
    Aliases
    Given name John
    Noble title duke of Brittany, count
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30848|batch #30848]]: match CERL IDs on the basis of GND (5)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.