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Coenraad Ritsema

Dutch entomologist (1846–1929)
Person human Q5140791

Facts

14 properties
Instance of
human
Sex or gender
male[10]
Date of birth
April 13, 1846
Date of death
January 9, 1929
Place of birth
Haarlem
Place of death
Wageningen
Country of citizenship
Kingdom of the Netherlands[8]
Occupation
entomologist, zoologist
Child
Coba Ritsema[7]
Languages spoken, written or signed
Dutch[14]
Author citation (zoology)
Ritsema[13]
Family name
Ritsema[11]
Given name
Coenraad[12]
Native language
Dutch[9]
🏷️ Also known as
en Coenraad Ritsema en Coenraad Ritsema Corneliszn en Ritsema fr Cornelius Conrad Ritsema fr C. Ritsema fr C. Ritsema Cz. nl C.C. Ritsema nl Cornelius Coenraad Ritsema sv Conrad Ritsema‏‎
🔖 Identifiers · 11
VIAF cluster ID
64786783
GND ID
11753305X
BHL creator ID
47707
Bibliothèque nationale de France ID
124385738
Deutsche Biographie (GND) ID
11753305X
Entomologists of the World ID
26252
Freebase ID
/m/0h_dk80
IdRef ID
192007866
Kalliope-Verbund (GND) ID
11753305X
Prabook ID
2515763
WorldCat Entities ID
E39PBJxxj8c4VJtBM4QPkc3PcP

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Summary

Coenraad Ritsema was born on April 13, 1846[1], in Haarlem[2]. He died on January 9, 1929[3], in Wageningen[4]. He worked as an entomologist[5] and zoologist[6].

FAQs

Where was Coenraad Ritsema born?

Coenraad Ritsema was born in Haarlem[2].

Where did Coenraad Ritsema die?

Coenraad Ritsema passed away in Wageningen[4].

What did Coenraad Ritsema do for work?

Coenraad Ritsema worked as an entomologist[5] and zoologist[6].

References

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

Direct Wikidata claims

  1. [2] ↑ . sdei.senckenberg.de. sdei.senckenberg.de. Provenance: wikidata.org.
  2. [4] ↑ . sdei.senckenberg.de. sdei.senckenberg.de. Provenance: wikidata.org.
  3. [10] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  4. [8] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [9] ↑ . wikidata.org.
  7. [5] ↑ . wikidata.org.
  8. [6] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  9. [1] ↑ . wikidata.org.
  10. [3] ↑ . wikidata.org.
  11. [11] ↑ . wikidata.org.
  12. [12] ↑ . wikidata.org.
  13. [13] ↑ . wikidata.org.
  14. [14] ↑ . IdRef. Retrieved . wikidata.org.

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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). Coenraad Ritsema. Retrieved November 4, 2026, from https://4ort.xyz/entity/coenraad-ritsema
MLA “Coenraad Ritsema.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/coenraad-ritsema.
BibTeX @misc{4ortxyz_coenraad-ritsema_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Coenraad Ritsema}}, year = {2026}, url = {https://4ort.xyz/entity/coenraad-ritsema}, note = {Accessed: 2026-11-04}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Coenraad Ritsema — https://4ort.xyz/entity/coenraad-ritsema (retrieved 2026-11-04)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 24w ago · Epìdosis · 2026-05-20 view diff on Wikidata ↗
    IdRef ID → 192007866
    GND ID → 11753305X
    Entomologists of the World ID → 26252
    Given name → Coenraad
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32116|batch #32116]]: import P21 and P106 from GND (29)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.