John I, Duke of Saxony

German duke
Person human Q567387
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John I, Duke of Saxony

Summary

John I, Duke of Saxony is a human[1]. Born in Holy Roman Empire[2], he… he was born on +1249-01-01T00:00:00Z[3]. He died in Lutherstadt Wittenberg[4]. He died on +1285-07-30T00:00:00Z[5]. He worked as an aristocrat[6]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (15 views/month, #7,290 of 1,000,298).[7]

Key Facts

  • John I, Duke of Saxony was born in Holy Roman Empire[2].
  • John I, Duke of Saxony passed away in Lutherstadt Wittenberg[4].
  • John I, Duke of Saxony was born on +1249-01-01T00:00:00Z[3].
  • John I, Duke of Saxony died on +1285-07-30T00:00:00Z[5].
  • John I, Duke of Saxony's father was Albert I, Duke of Saxony[8].
  • John I, Duke of Saxony's mother was Helene of Brunswick-Lüneburg[9].
  • Among John I, Duke of Saxony's spouses was Ingeborg Birgersdotter of Bjelbo[10].
  • A child of John I, Duke of Saxony was Eric I, Duke of Saxe-Lauenburg[11].
  • A child of John I, Duke of Saxony was John II, Duke of Saxe-Lauenburg[12].
  • A child of John I, Duke of Saxony was Albert III, Duke of Saxe-Lauenburg[13].
  • A child of John I, Duke of Saxony was Helena of Saxe-Lauenburg[14].
  • A child of John I, Duke of Saxony was Elisabeth von Sachsen-Lauenburg[15].
  • John I, Duke of Saxony worked as an aristocrat[6].
  • John I, Duke of Saxony is recorded as male[16].
  • John I, Duke of Saxony's instance of is recorded as human[17].
  • John I, Duke of Saxony's family is recorded as House of Ascania (Saxony-Lauenburg branch)[18].
  • John I, Duke of Saxony's coat of arms image is recorded as Blason Jean Ier de Saxe-Lauenbourg.svg[19].
  • John I, Duke of Saxony's noble title is recorded as duke[20].
  • John I, Duke of Saxony's VIAF cluster ID is recorded as 80670402[21].
  • John I, Duke of Saxony's GND ID is recorded as 136302203[22].
  • John I, Duke of Saxony's Commons category is recorded as John I, Duke of Saxony[23].
  • John I, Duke of Saxony's Freebase ID is recorded as /m/09gbtm5[24].
  • John I, Duke of Saxony's given name is recorded as Johann[25].
  • John I, Duke of Saxony's Rodovid ID is recorded as 590847[26].
  • John I, Duke of Saxony's described by source is recorded as Allgemeine Deutsche Biographie[27].

Body

Origins and Family

John I, Duke of Saxony was born in Holy Roman Empire[2]. He was born on +1249-01-01T00:00:00Z[3]. His father was Albert I, Duke of Saxony[8]. His mother was Helene of Brunswick-Lüneburg[9].

Career and Affiliations

John I, Duke of Saxony worked as an aristocrat[6].

Personal Life

Among John I, Duke of Saxony's spouses was Ingeborg Birgersdotter of Bjelbo[10]. Children include Eric I, Duke of Saxe-Lauenburg[11], an aristocrat[28], 1280–1359[29], of Germany[30]; John II, Duke of Saxe-Lauenburg[12], an aristocrat[31], 1275–1322[32]; Albert III, Duke of Saxe-Lauenburg[13], an aristocrat[33], 1281–1308[34]; Helena of Saxe-Lauenburg[14], an aristocrat[35], 1250–1337[36]; and Elisabeth von Sachsen-Lauenburg[15].

Death and Burial

John I, Duke of Saxony died on +1285-07-30T00:00:00Z[5]. He passed away in Lutherstadt Wittenberg[4].

Why It Matters

John I, Duke of Saxony ranks in the top 0.73% of human entities by monthly Wikipedia readership (15 views/month, #7,290 of 1,000,298).[7] He has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.[37] He is known by 7 alternative names across languages and contexts.[38]

FAQs

Where was John I, Duke of Saxony born?

Born in Holy Roman Empire[2], John I, Duke of Saxony…

Where did John I, Duke of Saxony die?

John I, Duke of Saxony died in Lutherstadt Wittenberg[4].

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

John I, Duke of Saxony's father was Albert I, Duke of Saxony[8]. John I, Duke of Saxony's mother was Helene of Brunswick-Lüneburg[9].

Who was John I, Duke of Saxony married to?

John I, Duke of Saxony's spouses include Ingeborg Birgersdotter of Bjelbo[10].

What did John I, Duke of Saxony do for work?

John I, Duke of Saxony worked as aristocrat[6].

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. [16] . wikidata.org.
  4. [8] . wikidata.org.
  5. [9] . wikidata.org.
  6. [10] . wikidata.org.
  7. [17] . wikidata.org.
  8. [11] . wikidata.org.
  9. [12] . wikidata.org.
  10. [13] . wikidata.org.
  11. [14] . wikidata.org.
  12. [15] . The Peerage. wikidata.org.
  13. [18] . wikidata.org.
  14. [19] . wikidata.org.
  15. [20] . wikidata.org.
  16. [6] . wikidata.org.
  17. [21] . wikidata.org.
  18. [22] . wikidata.org.
  19. [23] . wikidata.org.
  20. [3] . wikidata.org.
  21. [5] . wikidata.org.
  22. [24] . Freebase Data Dumps. 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

Class ancestry

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

Aggregate / graph-position facts

  1. [7] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [37] . Wikidata sitelinks. wikidata.org.
  3. [38] . 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 Saxony. Retrieved April 11, 2026, from https://4ort.xyz/entity/john-i-duke-of-saxony
MLA “John I, Duke of Saxony.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 2026, https://4ort.xyz/entity/john-i-duke-of-saxony.
BibTeX @misc{4ortxyz_john-i-duke-of-saxony_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{John I, Duke of Saxony}}, year = {2026}, url = {https://4ort.xyz/entity/john-i-duke-of-saxony}, note = {Accessed: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): John I, Duke of Saxony — https://4ort.xyz/entity/john-i-duke-of-saxony (retrieved 2026-04-11)

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