Maria Johanna de Graag

Dutch malacologist
Person human Q138465468
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Maria Johanna de Graag

Summary

Maria Johanna de Graag is a human[1]. She was born in Gorinchem[2]. She was born on +1879-03-11T00:00:00Z[3]. She passed away in Arnhem[4]. She died on +1972-09-28T00:00:00Z[5]. She worked as a nurse[6] and conchologist[7].

Key Facts

  • Maria Johanna de Graag was born in Gorinchem[2].
  • Maria Johanna de Graag passed away in Arnhem[4].
  • Maria Johanna de Graag was born on +1879-03-11T00:00:00Z[3].
  • Maria Johanna de Graag died on +1972-09-28T00:00:00Z[5].
  • Maria Johanna de Graag's father was Q139088947[8].
  • Maria Johanna de Graag's mother was Karolina Stephana Couwenberg[9].
  • Maria Johanna de Graag held citizenship in Kingdom of the Netherlands[10].
  • Maria Johanna de Graag worked as a nurse[6].
  • Maria Johanna de Graag's professions included conchologist[7].
  • Maria Johanna de Graag is recorded as female[11].
  • Maria Johanna de Graag's instance of is recorded as human[12].
  • Maria Johanna de Graag's Commons category is recorded as Hanna de Graag[13].
  • Maria Johanna de Graag's family name is recorded as de Graag[14].
  • Maria Johanna de Graag's given name is recorded as Maria[15].
  • Maria Johanna de Graag's given name is recorded as Johanna[16].
  • Maria Johanna de Graag's sibling is recorded as Julie de Graag[17].
  • Maria Johanna de Graag's ex-libris is recorded as Ontwerp voor ex libris, RP-T-1927-165.jpg[18].

Body

Origins and Family

Born in Gorinchem[2], Maria Johanna de Graag… she was born on +1879-03-11T00:00:00Z[3]. Her father was Q139088947[8]. Her mother was Karolina Stephana Couwenberg[9].

Career and Affiliations

Recorded occupations include nurse[6] and conchologist[7].

Death and Burial

Maria Johanna de Graag died on +1972-09-28T00:00:00Z[5]. She died in Arnhem[4].

FAQs

Where was Maria Johanna de Graag born?

Maria Johanna de Graag was born in Gorinchem[2].

Where did Maria Johanna de Graag die?

Maria Johanna de Graag passed away in Arnhem[4].

Who were Maria Johanna de Graag's parents?

Maria Johanna de Graag's father was Q139088947[8]. Maria Johanna de Graag's mother was Karolina Stephana Couwenberg[9].

What did Maria Johanna de Graag do for work?

Maria Johanna de Graag worked as nurse[6] and conchologist[7].

References

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

Direct Wikidata claims

  1. [2] . openarchieven.nl. openarchieven.nl. Provenance: wikidata.org.
  2. [4] . openarchieven.nl. openarchieven.nl. Provenance: wikidata.org.
  3. [11] . wikidata.org.
  4. [8] . openarchieven.nl. openarchieven.nl. Provenance: wikidata.org.
  5. [9] . openarchieven.nl. openarchieven.nl. Provenance: wikidata.org.
  6. [10] . wikidata.org.
  7. [12] . wikidata.org.
  8. [6] . wikidata.org.
  9. [7] . wikidata.org.
  10. [13] . wikidata.org.
  11. [3] . natuurtijdschriften.nl. Retrieved . natuurtijdschriften.nl. Provenance: wikidata.org.
  12. [5] . natuurtijdschriften.nl. Retrieved . natuurtijdschriften.nl. Provenance: wikidata.org.
  13. [14] . wikidata.org.
  14. [15] . wikidata.org.
  15. [16] . wikidata.org.
  16. [17] . wikidata.org.
  17. [18] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. 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). Maria Johanna de Graag. Retrieved May 3, 2026, from https://4ort.xyz/entity/maria-johanna-de-graag
MLA “Maria Johanna de Graag.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/maria-johanna-de-graag.
BibTeX @misc{4ortxyz_maria-johanna-de-graag_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Maria Johanna de Graag}}, year = {2026}, url = {https://4ort.xyz/entity/maria-johanna-de-graag}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Maria Johanna de Graag — https://4ort.xyz/entity/maria-johanna-de-graag (retrieved 2026-05-03)

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