Jan Keizer

Dutch football referee (1940–2024)
Person human Q839468
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Jan Keizer

Summary

Jan Keizer is a human[1]. Born in Volendam[2], he… he was born on +1940-10-06T00:00:00Z[3]. He passed away in Volendam[4]. He died on +2024-11-18T00:00:00Z[5]. He worked as an association football referee[6]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (14 views/month, #7,289 of 1,000,298).[7]

Key Facts

  • Jan Keizer was born in Volendam[2].
  • Jan Keizer passed away in Volendam[4].
  • Jan Keizer was born on +1940-10-06T00:00:00Z[3].
  • Jan Keizer died on +2024-11-18T00:00:00Z[5].
  • Jan Keizer held citizenship in Kingdom of the Netherlands[8].
  • Jan Keizer worked as an association football referee[6].
  • Jan Keizer's image is recorded as Jan Keizer (1968).jpg[9].
  • Jan Keizer is recorded as male[10].
  • Jan Keizer's instance of is recorded as human[11].
  • Jan Keizer's league or competition is recorded as Eredivisie[12].
  • Jan Keizer's league or competition is recorded as FIFA International Referees List[13].
  • Jan Keizer's Commons category is recorded as Jan Keizer (referee)[14].
  • Jan Keizer's sport is recorded as association football[15].
  • Jan Keizer's Freebase ID is recorded as /m/02pjwj1[16].
  • Jan Keizer's family name is recorded as Q50929238[17].
  • Jan Keizer's given name is recorded as Jan[18].
  • Jan Keizer's languages spoken, written or signed is recorded as Dutch[19].
  • Jan Keizer's birth name is recorded as {'lang': 'nl', 'text': 'Johannes Nicolaus Ignacius Keizer'}[20].
  • Jan Keizer's country for sport is recorded as Netherlands[21].
  • Jan Keizer's name in native language is recorded as {'lang': 'nl', 'text': 'Jan Keizer'}[22].
  • Jan Keizer's GTAA ID is recorded as 117849[23].
  • Jan Keizer's start of work period is recorded as +1965-00-00T00:00:00Z[24].
  • Jan Keizer's Scorebar / Soccerway person ID is recorded as 107386[25].
  • Jan Keizer's Transfermarkt referee ID is recorded as 3113[26].
  • Jan Keizer's WorldFootball.net referee ID is recorded as jan-keizer[27].

Body

Origins and Family

Born in Volendam[2], Jan Keizer… he was born on +1940-10-06T00:00:00Z[3].

Career and Affiliations

Jan Keizer worked as an association football referee[6].

Death and Burial

Jan Keizer died on +2024-11-18T00:00:00Z[5]. He passed away in Volendam[4].

Why It Matters

Jan Keizer ranks in the top 0.73% of human entities by monthly Wikipedia readership (14 views/month, #7,289 of 1,000,298).[7] He has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[28] He is known by 3 alternative names across languages and contexts.[29]

FAQs

Where was Jan Keizer born?

Jan Keizer's place of birth was Volendam[2].

Where did Jan Keizer die?

Jan Keizer passed away in Volendam[4].

What did Jan Keizer do for work?

Jan Keizer worked as association football referee[6].

References

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

Direct Wikidata claims

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

Class ancestry

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

Aggregate / graph-position facts

  1. [7] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . 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). Jan Keizer. Retrieved April 10, 2026, from https://4ort.xyz/entity/jan-keizer
MLA “Jan Keizer.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/jan-keizer.
BibTeX @misc{4ortxyz_jan-keizer_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Jan Keizer}}, year = {2026}, url = {https://4ort.xyz/entity/jan-keizer}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Jan Keizer — https://4ort.xyz/entity/jan-keizer (retrieved 2026-04-10)

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