Biography.guide
Home › People › Diplomat › Thomas George Knox
Portrait of Thomas George Knox

Thomas George Knox

1824 – 1887

British army officer and diplomat in Siam

Don't just read it — keep itBiographies to ownE-book · Audio · Video From $7 →

About Thomas George Knox

Lived 1824 – 1887 (aged 62–63). Thomas George Knox was a British diplomat, military officer and interpreter.

Sir Thomas George Knox KCMG (11 January 1824 – 29 July 1887) was an Ulster-Scots soldier and a diplomat, serving as consul-general in Siam from 1868 to 1879.

Early life Knox was the second but eldest surviving son of Rev. James Spencer Knox, D.D. (1789–1862), rector of Maghera, County Londonderry, and his wife, Clara, daughter of the Right Hon. John Beresford. He was born in 1824 at Northland House, Dungannon, the seat of his great-grandfather Thomas Knox, 1st Viscount Northland (1729–1818). His uncles and was grandson of William Knox, bishop of Derry (1762–1831). His uncles were Thomas Knox, 1st Earl of Ranfurly (1754–1840); George Knox (1765–1827), MP for Dublin University; Charles Knox (1770–1825), Archdeacon of Armagh; and Edmund Knox (1772–1849), Bishop of Limerick.

Career

On 17 April 1840, Knox was appointed ensign of the 65th Foot and, on 7 October 1842, was promoted to a lieutenancy in the 98th Foot.

After serving with the 98th Foot in China and India, Knox sold out in December 1848. He subsequently served with the Siamese Army from 1851 to 1857. He began by training the troops of Pinklao, who ranked as Front Palace.

Knox was appointed interpreter at the British Consulate in Bangkok on 7 July 1857. He was acting consul there from December 1859 to May 1860, and was appointed consul on 30 November 1864. He was promoted to be consul-general in Siam on 18 July 1868, and agent and consul-general in Siam on 8 February 1875.

Knox retired on a pension on 26 November 1879, and was made KCMG in April 1880. He died at Eaux Chaudes in the French Pyrenees, on 29 July 1887.

Family In 1854, Knox married a Siamese woman of high position, Prang, daughter of Phya (Count) Somkok and Mâe Yen of Somkok and Bangkok. Their younger daughter Caroline married Louis T. Leonowens.

Biography shop

Don’t just read it —
keep it.

Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.

  • E-book
  • Audio
  • Video
Browse the shop — from $7

Instant download · yours to keep · every purchase keeps this site free

Important facts

Born
1824, County Londonderry, Maghera
Birth century
Also known as
Thomas Knox, Sir Thomas George Knox, Sir Thomas Knox

People in Thomas George Knox's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Thomas George Knox's

Frequently asked questions

Who was Thomas George Knox?

British army officer and diplomat in Siam

When was Thomas George Knox born?

Thomas George Knox was born in 1824 in County Londonderry, Maghera.

When did Thomas George Knox die?

Thomas George Knox died on 29 July 1887 in Eaux Chaudes, France, Pyrenees.

What was Thomas George Knox's occupation?

Thomas George Knox was a diplomat, military officer and interpreter.

What nationality was Thomas George Knox?

Thomas George Knox was British.

Sources & further reading

· Wikipedia: Thomas George Knox

· Wikidata: Q2424193

· DBpedia: Thomas George Knox

Cite this page

APA: Biography.guide. (2026). Thomas George Knox. https://biography.guide/thomas-george-knox/

MLA: "Thomas George Knox." Biography.guide, https://biography.guide/thomas-george-knox/.

Chicago: "Thomas George Knox." Biography.guide. https://biography.guide/thomas-george-knox/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

Portrait: Wikimedia Commons · author & licence

Page generated 2026-09-27 04:58 UTC