Bertha of Blois

Duchess consort of Brittany
Person human Q2899297
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Bertha of Blois

Summary

Bertha of Blois is a human[1]. She was born on +1005-00-00T00:00:00Z[2]. She passed away in Chartres[3]. She died on +1080-00-00T00:00:00Z[4]. She worked as an aristocrat[5]. She ranks in the top 0.73% of human entities by monthly Wikipedia readership (28 views/month, #7,284 of 1,000,298).[6]

Key Facts

  • Bertha of Blois died in Chartres[3].
  • Bertha of Blois was born on +1005-00-00T00:00:00Z[2].
  • Bertha of Blois died on +1080-00-00T00:00:00Z[4].
  • Bertha of Blois's father was Odo II, Count of Blois[7].
  • Bertha of Blois's mother was Ermengarde d'Auvergne[8].
  • Bertha of Blois was married to Alan III, Duke of Brittany[9].
  • Among Bertha of Blois's spouses was Hugh IV, Count of Maine[10].
  • A child of Bertha of Blois was Conan II, Duke of Brittany[11].
  • A child of Bertha of Blois was Hawise, Duchess of Brittany[12].
  • A child of Bertha of Blois was Herbert II, Count of Maine[13].
  • A child of Bertha of Blois was Margaret de Maine[14].
  • Bertha of Blois's professions included aristocrat[5].
  • Bertha of Blois is recorded as female[15].
  • Bertha of Blois's instance of is recorded as human[16].
  • Bertha of Blois's family is recorded as House of Blois[17].
  • Bertha of Blois's coat of arms image is recorded as Old Arms of Blois.svg[18].
  • Bertha of Blois's noble title is recorded as duke of Brittany[19].
  • Bertha of Blois's noble title is recorded as duchess[20].
  • Bertha of Blois's Freebase ID is recorded as /m/0hr5025[21].
  • Bertha of Blois's given name is recorded as Berthe[22].
  • Bertha of Blois's Rodovid ID is recorded as 147423[23].
  • Bertha of Blois's genealogics.org person ID is recorded as I00020138[24].
  • Bertha of Blois's WikiTree person ID is recorded as Blois-16[25].
  • Bertha of Blois's Prabook ID is recorded as 2466745[26].
  • Bertha of Blois's sibling is recorded as Theobald III[27].

Body

Origins and Family

Bertha of Blois was born on +1005-00-00T00:00:00Z[2]. Her father was Odo II, Count of Blois[7]. Her mother was Ermengarde d'Auvergne[8].

Career and Affiliations

Bertha of Blois worked as an aristocrat[5].

Personal Life

Spouses include Alan III, Duke of Brittany[9], a feudatory[28], 0997–1040[29] and Hugh IV, Count of Maine[10], an aristocrat[30], 1020–1051[31]. Children include Conan II, Duke of Brittany[11], an aristocrat[32], 1030–1066[33]; Hawise, Duchess of Brittany[12], a politician[34], 1037–1072[35]; Herbert II, Count of Maine[13], an aristocrat[36], 1047–1062[37]; and Margaret de Maine[14].

Death and Burial

Bertha of Blois died on +1080-00-00T00:00:00Z[4]. She died in Chartres[3].

Why It Matters

Bertha of Blois ranks in the top 0.73% of human entities by monthly Wikipedia readership (28 views/month, #7,284 of 1,000,298).[6] She has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[38]

FAQs

Where did Bertha of Blois die?

Bertha of Blois passed away in Chartres[3].

Who were Bertha of Blois's parents?

Bertha of Blois's father was Odo II, Count of Blois[7]. Bertha of Blois's mother was Ermengarde d'Auvergne[8].

Who was Bertha of Blois married to?

Bertha of Blois's spouses include Alan III, Duke of Brittany[9] and Hugh IV, Count of Maine[10].

What did Bertha of Blois do for work?

Bertha of Blois worked as aristocrat[5].

References

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

Direct Wikidata claims

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

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. [33] . Wikidata. wikidata.org. → on this site
  7. [34] . Wikidata. wikidata.org. → on this site
  8. [35] . Wikidata. wikidata.org. → on this site
  9. [36] . Wikidata. wikidata.org. → on this site
  10. [37] . 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. [38] . Wikidata sitelinks. 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). Bertha of Blois. Retrieved April 10, 2026, from https://4ort.xyz/entity/bertha-of-blois
MLA “Bertha of Blois.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/bertha-of-blois.
BibTeX @misc{4ortxyz_bertha-of-blois_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Bertha of Blois}}, year = {2026}, url = {https://4ort.xyz/entity/bertha-of-blois}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Bertha of Blois — https://4ort.xyz/entity/bertha-of-blois (retrieved 2026-04-10)

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