Otto I of Nassau

Count of Nassau (1251-1289/90)
Person human Q462493
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Otto I of Nassau

Summary

Otto I of Nassau is a human[1]. He died on +1300-00-00T00:00:00Z[2]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (29 views/month, #7,272 of 1,000,298).[3]

Key Facts

  • Otto I of Nassau died on +1300-00-00T00:00:00Z[2].
  • Otto I of Nassau's father was Henry II of Nassau[4].
  • Otto I of Nassau's mother was Matilda of Guelders[5].
  • Otto I of Nassau was married to Agnes of Leiningen[6].
  • A child of Otto I of Nassau was Henry I of Nassau-Siegen[7].
  • A child of Otto I of Nassau was Emicho I of Nassau-Hadamar[8].
  • A child of Otto I of Nassau was John of Nassau-Dillenburg[9].
  • A child of Otto I of Nassau was Mechtild of Nassau[10].
  • A child of Otto I of Nassau was Otto of Nassau[11].
  • A child of Otto I of Nassau was Gertrud of Nassau[12].
  • Otto I of Nassau is recorded as male[13].
  • Otto I of Nassau's instance of is recorded as human[14].
  • Otto I of Nassau's family is recorded as House of Nassau[15].
  • Otto I of Nassau's coat of arms image is recorded as Otto Nassau wapen.svg[16].
  • Otto I of Nassau's noble title is recorded as count[17].
  • Otto I of Nassau's noble title is recorded as Count of Nassau[18].
  • Otto I of Nassau's VIAF cluster ID is recorded as 89998152[19].
  • Otto I of Nassau's GND ID is recorded as 138459738[20].
  • Otto I of Nassau's Commons category is recorded as Otto I, Count of Nassau[21].
  • Otto I of Nassau's Freebase ID is recorded as /m/09jnyq[22].
  • Otto I of Nassau's given name is recorded as Otto[23].
  • Otto I of Nassau's Rodovid ID is recorded as 10255[24].
  • Otto I of Nassau's time of earliest written record is recorded as +1247-00-00T00:00:00Z[25].
  • Otto I of Nassau's described by source is recorded as Allgemeine Deutsche Biographie[26].
  • Otto I of Nassau's described by source is recorded as Siegerland und Nederland[27].

Body

Origins and Family

Otto I of Nassau's father was Henry II of Nassau[4]. His mother was Matilda of Guelders[5].

Personal Life

Otto I of Nassau was married to Agnes of Leiningen[6]. Children include Henry I of Nassau-Siegen[7], a count[28], 1265–1343[29], of Germany[30]; Emicho I of Nassau-Hadamar[8], a regent[31]; John of Nassau-Dillenburg[9], a military personnel[32]; Mechtild of Nassau[10]; Otto of Nassau[11], a canon[33]; and Gertrud of Nassau[12], an abbess[34].

Death and Burial

Otto I of Nassau died on +1300-00-00T00:00:00Z[2].

Why It Matters

Otto I of Nassau ranks in the top 0.73% of human entities by monthly Wikipedia readership (29 views/month, #7,272 of 1,000,298).[3] He has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[35]

FAQs

Who were Otto I of Nassau's parents?

Otto I of Nassau's father was Henry II of Nassau[4]. Otto I of Nassau's mother was Matilda of Guelders[5].

Who was Otto I of Nassau married to?

Otto I of Nassau's spouses include Agnes of Leiningen[6].

References

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

Direct Wikidata claims

  1. [13] . Medieval Lands. Retrieved . wikidata.org.
  2. [4] . Medieval Lands. wikidata.org.
  3. [5] . Medieval Lands. wikidata.org.
  4. [6] . Medieval Lands. wikidata.org.
  5. [14] . Medieval Lands. wikidata.org.
  6. [7] . Medieval Lands. wikidata.org.
  7. [8] . Medieval Lands. wikidata.org.
  8. [9] . Medieval Lands. wikidata.org.
  9. [10] . Medieval Lands. wikidata.org.
  10. [11] . Medieval Lands. wikidata.org.
  11. [12] . Medieval Lands. wikidata.org.
  12. [15] . Medieval Lands. wikidata.org.
  13. [16] . wikidata.org.
  14. [17] . Medieval Lands. wikidata.org.
  15. [18] . Medieval Lands. wikidata.org.
  16. [19] . Virtual International Authority File. Retrieved . wikidata.org.
  17. [20] . wikidata.org.
  18. [21] . wikidata.org.
  19. [2] . Genealogie van het Vorstenhuis Nassau. wikidata.org.
  20. [22] . Freebase Data Dumps. wikidata.org.
  21. [23] . Medieval Lands. wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . Medieval Lands. 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

Class ancestry

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

Aggregate / graph-position facts

  1. [3] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [35] . 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). Otto I of Nassau. Retrieved April 10, 2026, from https://4ort.xyz/entity/otto-i-of-nassau
MLA “Otto I of Nassau.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/otto-i-of-nassau.
BibTeX @misc{4ortxyz_otto-i-of-nassau_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Otto I of Nassau}}, year = {2026}, url = {https://4ort.xyz/entity/otto-i-of-nassau}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Otto I of Nassau — https://4ort.xyz/entity/otto-i-of-nassau (retrieved 2026-04-10)

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