William Sinclair, 1st Earl of Caithness

Scottish nobleman, last Jarl of Orkney; Lord Chancellor of Scotland
Person human Q3568958
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William Sinclair, 1st Earl of Caithness

Summary

William Sinclair, 1st Earl of Caithness is a human[1]. He was born on +1410-01-01T00:00:00Z[2]. He died on +1484-01-01T00:00:00Z[3]. He worked as a jurist[4], architect[5], and judge[6]. He ranks in the top 0.72% of human entities by monthly Wikipedia readership (76 views/month, #7,236 of 1,000,298).[7]

Key Facts

  • William Sinclair, 1st Earl of Caithness was born on +1410-01-01T00:00:00Z[2].
  • William Sinclair, 1st Earl of Caithness died on +1484-01-01T00:00:00Z[3].
  • William Sinclair, 1st Earl of Caithness is buried at Rosslyn Chapel[8].
  • William Sinclair, 1st Earl of Caithness's father was Henry II Sinclair[9].
  • William Sinclair, 1st Earl of Caithness's mother was Egidia Douglas[10].
  • Among William Sinclair, 1st Earl of Caithness's spouses was Marjory Sutherland[11].
  • Among William Sinclair, 1st Earl of Caithness's spouses was Lady Elizabeth Douglas[12].
  • William Sinclair, 1st Earl of Caithness was married to Janet Yeman[13].
  • A child of William Sinclair, 1st Earl of Caithness was Eleanor Sinclair[14].
  • A child of William Sinclair, 1st Earl of Caithness was Lady Elizabeth Sinclair[15].
  • A child of William Sinclair, 1st Earl of Caithness was William Sinclair, 2nd Lord Sinclair[16].
  • A child of William Sinclair, 1st Earl of Caithness was Katherine Sinclair[17].
  • A child of William Sinclair, 1st Earl of Caithness was Susan Sinclair[18].
  • A child of William Sinclair, 1st Earl of Caithness was Mariot Sinclair[19].
  • William Sinclair, 1st Earl of Caithness held citizenship in Scotland[20].
  • William Sinclair, 1st Earl of Caithness's professions included jurist[4].
  • William Sinclair, 1st Earl of Caithness worked as an architect[5].
  • William Sinclair, 1st Earl of Caithness worked as a judge[6].
  • William Sinclair, 1st Earl of Caithness held the position of Member of the Parliament of Scotland[21].
  • William Sinclair, 1st Earl of Caithness held the position of Earl of Orkney[22].
  • William Sinclair, 1st Earl of Caithness held the position of Lord Chancellor of Scotland[23].
  • A notable work attributed to William Sinclair, 1st Earl of Caithness is Rosslyn Chapel[24].
  • William Sinclair, 1st Earl of Caithness is recorded as male[25].
  • William Sinclair, 1st Earl of Caithness's instance of is recorded as human[26].
  • William Sinclair, 1st Earl of Caithness's coat of arms image is recorded as Earl of Caithness arms.svg[27].

Body

Origins and Family

William Sinclair, 1st Earl of Caithness was born on +1410-01-01T00:00:00Z[2]. His father was Henry II Sinclair[9]. His mother was Egidia Douglas[10].

Career and Affiliations

Recorded occupations include jurist[4], architect[5], and judge[6]. Positions held include Member of the Parliament of Scotland[21], a position[28], in Kingdom of Scotland[29]; Earl of Orkney[22], a hereditary title[30]; and Lord Chancellor of Scotland[23], a historical position[31].

Works and Contributions

A notable work attributed to William Sinclair, 1st Earl of Caithness is Rosslyn Chapel[24].

Personal Life

Spouses include Marjory Sutherland[11], Lady Elizabeth Douglas[12], and Janet Yeman[13]. Children include Eleanor Sinclair[14]; Lady Elizabeth Sinclair[15]; William Sinclair, 2nd Lord Sinclair[16], 1437–1487[32]; Katherine Sinclair[17]; Susan Sinclair[18]; and Mariot Sinclair[19].

Death and Burial

William Sinclair, 1st Earl of Caithness died on +1484-01-01T00:00:00Z[3]. He is buried at Rosslyn Chapel[8].

Why It Matters

William Sinclair, 1st Earl of Caithness ranks in the top 0.72% of human entities by monthly Wikipedia readership (76 views/month, #7,236 of 1,000,298).[7] He has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[33] He is known by 10 alternative names across languages and contexts.[34]

FAQs

Who were William Sinclair, 1st Earl of Caithness's parents?

William Sinclair, 1st Earl of Caithness's father was Henry II Sinclair[9]. William Sinclair, 1st Earl of Caithness's mother was Egidia Douglas[10].

Who was William Sinclair, 1st Earl of Caithness married to?

William Sinclair, 1st Earl of Caithness's spouses include Marjory Sutherland[11], Lady Elizabeth Douglas[12], and Janet Yeman[13].

What did William Sinclair, 1st Earl of Caithness do for work?

William Sinclair, 1st Earl of Caithness worked as jurist[4], architect[5], and judge[6].

References

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

Direct Wikidata claims

  1. [25] . wikidata.org.
  2. [9] . wikidata.org.
  3. [10] . The Peerage. wikidata.org.
  4. [11] . Retrieved . wikidata.org.
  5. [12] . Retrieved . wikidata.org.
  6. [13] . Retrieved . wikidata.org.
  7. [20] . wikidata.org.
  8. [26] . wikidata.org.
  9. [21] . wikidata.org.
  10. [22] . wikidata.org.
  11. [23] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . The Peerage. wikidata.org.
  14. [16] . The Peerage. wikidata.org.
  15. [17] . The Peerage. wikidata.org.
  16. [18] . The Peerage. wikidata.org.
  17. [19] . The Peerage. wikidata.org.
  18. [27] . wikidata.org.
  19. [4] . wikidata.org.
  20. [5] . wikidata.org.
  21. [6] . wikidata.org.
  22. [8] . wikidata.org.
  23. [2] . wikidata.org.
  24. [3] . wikidata.org.
  25. [24] . 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

Class ancestry

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

Aggregate / graph-position facts

  1. [7] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [33] . Wikidata sitelinks. wikidata.org.
  3. [34] . 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). William Sinclair, 1st Earl of Caithness. Retrieved April 11, 2026, from https://4ort.xyz/entity/william-sinclair-1st-earl-of-caithness
MLA “William Sinclair, 1st Earl of Caithness.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 2026, https://4ort.xyz/entity/william-sinclair-1st-earl-of-caithness.
BibTeX @misc{4ortxyz_william-sinclair-1st-earl-of-caithness_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{William Sinclair, 1st Earl of Caithness}}, year = {2026}, url = {https://4ort.xyz/entity/william-sinclair-1st-earl-of-caithness}, note = {Accessed: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): William Sinclair, 1st Earl of Caithness — https://4ort.xyz/entity/william-sinclair-1st-earl-of-caithness (retrieved 2026-04-11)

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