Diogo I, Duke of Viseu

Infante Diogo of Viseu (1450–1484)
Person human Q6028980
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Diogo I, Duke of Viseu

Summary

Diogo I, Duke of Viseu is a human[1]. His place of birth was Kingdom of Portugal[2]. He was born on +1450-00-00T00:00:00Z[3]. He died in Kingdom of Portugal[4]. He died on +1484-00-00T00:00:00Z[5]. He worked as an aristocrat[6]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (33 views/month, #7,268 of 1,000,298).[7]

Key Facts

  • Born in Kingdom of Portugal[2], Diogo I, Duke of Viseu…
  • Diogo I, Duke of Viseu died in Kingdom of Portugal[4].
  • Diogo I, Duke of Viseu was born on +1450-00-00T00:00:00Z[3].
  • Diogo I, Duke of Viseu was born on +1460-00-00T00:00:00Z[8].
  • Diogo I, Duke of Viseu died on +1484-00-00T00:00:00Z[5].
  • Diogo I, Duke of Viseu's father was Infante Ferdinand, Duke of Viseu[9].
  • Diogo I, Duke of Viseu's mother was Infanta Beatrice, Duchess of Viseu[10].
  • A child of Diogo I, Duke of Viseu was Afonso de Viseu[11].
  • A child of Diogo I, Duke of Viseu was Afonso de Viseu[12].
  • Diogo I, Duke of Viseu's professions included aristocrat[6].
  • Diogo I, Duke of Viseu's image is recorded as Diogo, Duque de Viseu.png[13].
  • Diogo I, Duke of Viseu is recorded as male[14].
  • Diogo I, Duke of Viseu's instance of is recorded as human[15].
  • Diogo I, Duke of Viseu's family is recorded as House of Aviz[16].
  • Diogo I, Duke of Viseu's coat of arms image is recorded as Armas duque viseu.svg[17].
  • Diogo I, Duke of Viseu's noble title is recorded as duke[18].
  • Diogo I, Duke of Viseu's unmarried partner is recorded as Leonor de Sotomayor y Portugal[19].
  • Diogo I, Duke of Viseu's Freebase ID is recorded as /m/04m_4gt[20].
  • Diogo I, Duke of Viseu's given name is recorded as Diego[21].
  • Diogo I, Duke of Viseu's genealogics.org person ID is recorded as I00264702[22].
  • Diogo I, Duke of Viseu's WikiTree person ID is recorded as Aviz-31[23].
  • Diogo I, Duke of Viseu's Prabook ID is recorded as 2363397[24].
  • Diogo I, Duke of Viseu's sibling is recorded as Infante John, Duke of Viseu[25].
  • Diogo I, Duke of Viseu's sibling is recorded as Eleanor of Viseu[26].
  • Diogo I, Duke of Viseu's sibling is recorded as Isabella of Viseu[27].

Body

Origins and Family

Diogo I, Duke of Viseu was born in Kingdom of Portugal[2]. Recorded date of birth include +1450-00-00T00:00:00Z[3] and +1460-00-00T00:00:00Z[8]. His father was Infante Ferdinand, Duke of Viseu[9]. His mother was Infanta Beatrice, Duchess of Viseu[10].

Career and Affiliations

Diogo I, Duke of Viseu's professions included aristocrat[6].

Personal Life

Children include Afonso de Viseu[11], a Constable of Portugal[28], 1482–1504[29], of Kingdom of Portugal[30].

Death and Burial

Diogo I, Duke of Viseu died on +1484-00-00T00:00:00Z[5]. He passed away in Kingdom of Portugal[4].

Why It Matters

Diogo I, Duke of Viseu ranks in the top 0.73% of human entities by monthly Wikipedia readership (33 views/month, #7,268 of 1,000,298).[7] He has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[31] He is known by 13 alternative names across languages and contexts.[32]

FAQs

Where was Diogo I, Duke of Viseu born?

Born in Kingdom of Portugal[2], Diogo I, Duke of Viseu…

Where did Diogo I, Duke of Viseu die?

Diogo I, Duke of Viseu passed away in Kingdom of Portugal[4].

Who were Diogo I, Duke of Viseu's parents?

Diogo I, Duke of Viseu's father was Infante Ferdinand, Duke of Viseu[9]. Diogo I, Duke of Viseu's mother was Infanta Beatrice, Duchess of Viseu[10].

What did Diogo I, Duke of Viseu do for work?

Diogo I, Duke of Viseu worked as aristocrat[6].

References

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

Direct Wikidata claims

  1. [13] . wikidata.org.
  2. [2] . wikidata.org.
  3. [4] . wikidata.org.
  4. [14] . The Peerage. wikidata.org.
  5. [9] . The Peerage. wikidata.org.
  6. [10] . The Peerage. wikidata.org.
  7. [15] . wikidata.org.
  8. [11] . amazon.com.br. amazon.com.br. Provenance: wikidata.org.
  9. [12] . Genealogics. wikidata.org.
  10. [16] . wikidata.org.
  11. [17] . wikidata.org.
  12. [18] . wikidata.org.
  13. [6] . wikidata.org.
  14. [19] . geneall.net. geneall.net. Provenance: wikidata.org.
  15. [3] . wikidata.org.
  16. [8] . wikidata.org.
  17. [5] . wikidata.org.
  18. [20] . Freebase Data Dumps. wikidata.org.
  19. [21] . 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

Class ancestry

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

Aggregate / graph-position facts

  1. [7] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [31] . Wikidata sitelinks. wikidata.org.
  3. [32] . 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). Diogo I, Duke of Viseu. Retrieved April 10, 2026, from https://4ort.xyz/entity/diogo-i-duke-of-viseu
MLA “Diogo I, Duke of Viseu.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/diogo-i-duke-of-viseu.
BibTeX @misc{4ortxyz_diogo-i-duke-of-viseu_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Diogo I, Duke of Viseu}}, year = {2026}, url = {https://4ort.xyz/entity/diogo-i-duke-of-viseu}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Diogo I, Duke of Viseu — https://4ort.xyz/entity/diogo-i-duke-of-viseu (retrieved 2026-04-10)

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