Percival Langdon Langdon-Down

6 May 1868 - 19 Aug 1925
Person human Q96079827
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Percival Langdon Langdon-Down

Summary

Percival Langdon Langdon-Down is a human[1]. He was born on +1868-01-01T00:00:00Z[2]. He died on +1925-08-19T00:00:00Z[3].

Key Facts

  • Percival Langdon Langdon-Down was born on +1868-01-01T00:00:00Z[2].
  • Percival Langdon Langdon-Down died on +1925-08-19T00:00:00Z[3].
  • Percival Langdon Langdon-Down's father was John Langdon Down[4].
  • Percival Langdon Langdon-Down's mother was Mary Crellin[5].
  • Among Percival Langdon Langdon-Down's spouses was Helen Augusta M. Bigwood[6].
  • Percival Langdon Langdon-Down is recorded as male[7].
  • Percival Langdon Langdon-Down's instance of is recorded as human[8].
  • Percival Langdon Langdon-Down's given name is recorded as Percival[9].
  • Percival Langdon Langdon-Down's Cambridge Alumni Database ID is recorded as LNGN886PL[10].
  • Percival Langdon Langdon-Down's WikiTree person ID is recorded as Down-1329[11].
  • Percival Langdon Langdon-Down's Kindred Britain ID is recorded as I12635[12].
  • Percival Langdon Langdon-Down's sibling is recorded as Lilian Langdon Langdon-Down[13].
  • Percival Langdon Langdon-Down's sibling is recorded as Reginald Langdon Langdon-Down[14].
  • Percival Langdon Langdon-Down's sibling is recorded as Everleigh Langdon Langdon-Down[15].

Body

Origins and Family

Percival Langdon Langdon-Down was born on +1868-01-01T00:00:00Z[2]. His father was John Langdon Down[4]. His mother was Mary Crellin[5].

Personal Life

Among Percival Langdon Langdon-Down's spouses was Helen Augusta M. Bigwood[6].

Death and Burial

Percival Langdon Langdon-Down died on +1925-08-19T00:00:00Z[3].

FAQs

Who were Percival Langdon Langdon-Down's parents?

Percival Langdon Langdon-Down's father was John Langdon Down[4]. Percival Langdon Langdon-Down's mother was Mary Crellin[5].

Who was Percival Langdon Langdon-Down married to?

Percival Langdon Langdon-Down's spouses include Helen Augusta M. Bigwood[6].

References

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

Direct Wikidata claims

  1. [7] . Q75653886. wikidata.org.
  2. [4] . Q75653886. wikidata.org.
  3. [5] . Q75653886. wikidata.org.
  4. [6] . Q75653886. wikidata.org.
  5. [8] . wikidata.org.
  6. [2] . Q75653886. wikidata.org.
  7. [3] . Q75653886. wikidata.org.
  8. [9] . wikidata.org.
  9. [10] . wikidata.org.
  10. [11] . wikidata.org.
  11. [12] . wikidata.org.
  12. [13] . Q75653886. wikidata.org.
  13. [14] . Q75653886. wikidata.org.
  14. [15] . Q75653886. 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). Percival Langdon Langdon-Down. Retrieved May 3, 2026, from https://4ort.xyz/entity/percival-langdon-langdon-down
MLA “Percival Langdon Langdon-Down.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/percival-langdon-langdon-down.
BibTeX @misc{4ortxyz_percival-langdon-langdon-down_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Percival Langdon Langdon-Down}}, year = {2026}, url = {https://4ort.xyz/entity/percival-langdon-langdon-down}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Percival Langdon Langdon-Down — https://4ort.xyz/entity/percival-langdon-langdon-down (retrieved 2026-05-03)

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