Constance de Bretagne

Peerage person ID=40491
Person human Q75288457
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Constance de Bretagne

Summary

Constance de Bretagne is a human[1]. She died on +1148-00-00T00:00:00Z[2].

Key Facts

  • Constance de Bretagne died on +1148-00-00T00:00:00Z[2].
  • Constance de Bretagne's father was Conan III, Duke of Brittany[3].
  • Constance de Bretagne's mother was Matilda FitzRoy, Duchess of Brittany[4].
  • Constance de Bretagne was married to Geoffroy III de Mayenne[5].
  • A child of Constance de Bretagne was Mathilde de Mayenne[6].
  • Constance de Bretagne is recorded as female[7].
  • Constance de Bretagne's instance of is recorded as human[8].
  • Constance de Bretagne's given name is recorded as Constance[9].
  • Constance de Bretagne's Rodovid ID is recorded as 147434[10].
  • Constance de Bretagne's genealogics.org person ID is recorded as I00005947[11].
  • Constance de Bretagne's WikiTree person ID is recorded as Bretagne-58[12].
  • Constance de Bretagne's WeRelate person ID is recorded as Constance_de_Bretagne_(1)[13].
  • Constance de Bretagne's The Peerage person ID is recorded as p4050.htm#i40491[14].
  • Constance de Bretagne's Roglo person ID is recorded as p=constance;n=de cornouaille[15].

Body

Origins and Family

Constance de Bretagne's father was Conan III, Duke of Brittany[3]. Her mother was Matilda FitzRoy, Duchess of Brittany[4].

Personal Life

Among Constance de Bretagne's spouses was Geoffroy III de Mayenne[5]. A child of her was Mathilde de Mayenne[6].

Death and Burial

Constance de Bretagne died on +1148-00-00T00:00:00Z[2].

FAQs

Who were Constance de Bretagne's parents?

Constance de Bretagne's father was Conan III, Duke of Brittany[3]. Constance de Bretagne's mother was Matilda FitzRoy, Duchess of Brittany[4].

Who was Constance de Bretagne married to?

Constance de Bretagne's spouses include Geoffroy III de Mayenne[5].

References

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

Direct Wikidata claims

  1. [7] . The Peerage. wikidata.org.
  2. [3] . The Peerage. wikidata.org.
  3. [4] . The Peerage. wikidata.org.
  4. [5] . wikidata.org.
  5. [8] . wikidata.org.
  6. [6] . wikidata.org.
  7. [2] . wikidata.org.
  8. [9] . wikidata.org.
  9. [10] . wikidata.org.
  10. [11] . wikidata.org.
  11. [12] . wikidata.org.
  12. [13] . wikidata.org.
  13. [14] . Retrieved . wikidata.org.
  14. [15] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. 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). Constance de Bretagne. Retrieved May 3, 2026, from https://4ort.xyz/entity/constance-de-bretagne
MLA “Constance de Bretagne.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/constance-de-bretagne.
BibTeX @misc{4ortxyz_constance-de-bretagne_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Constance de Bretagne}}, year = {2026}, url = {https://4ort.xyz/entity/constance-de-bretagne}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Constance de Bretagne — https://4ort.xyz/entity/constance-de-bretagne (retrieved 2026-05-03)

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