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Thomas de Beauchamp, 12th Earl of Warwick

1338 – 1401

English Earl

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About Thomas de Beauchamp, 12th Earl of Warwick

Lived 1338 – 1401 (aged 63). Thomas de Beauchamp, 12th Earl of Warwick was an English military personnel.

Conflict with King Richard II In 1387, he was one of the Lords Appellant, who endeavored to separate Richard II from his favorites. After Richard regained power, Beauchamp retired to his estates, but was invited to London on a ruse in 1397 and charged with high treason, supposedly as a part of the Earl of Arundel's alleged conspiracy. He was imprisoned in the Tower of London (in what is now known as the "Beauchamp Tower"), pleaded guilty and threw himself on the mercy of the king. He forfeited his estates and titles, and was sentenced to life imprisonment on the Isle of Man. The next year, however, he was moved back to the Tower, until he was released in August 1399 after Henry Bolingbroke's capture of Richard II. and was succeeded by his son Richard de Beauchamp, 13th Earl of Warwick. He was buried with his wife Margaret in the south transept of the Collegiate Church of St Mary, Warwick, but their tomb was destroyed by fire in 1694. Only the monumental brass survived, which is still on display at St Mary's.

Ancestry

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Important facts

Birth century
Occupation
Nationality
Positions held
Member of the House of Lords, Admiral of the North
Awards
Knight of the Garter
Also known as
Thomas de Beauchamp

Family & relationships

Parent
Katherine Mortimer, Countess of Warwick
Parent
Thomas de Beauchamp, 11th Earl of Warwick

Contemporaries

People whose lives overlapped Thomas de Beauchamp, 12th Earl of Warwick's

Frequently asked questions

Who was Thomas de Beauchamp, 12th Earl of Warwick?

English Earl

When was Thomas de Beauchamp, 12th Earl of Warwick born?

Thomas de Beauchamp, 12th Earl of Warwick was born on 16 March 1338.

When did Thomas de Beauchamp, 12th Earl of Warwick die?

Thomas de Beauchamp, 12th Earl of Warwick died on 8 April 1401.

What was Thomas de Beauchamp, 12th Earl of Warwick's occupation?

Thomas de Beauchamp, 12th Earl of Warwick was a military personnel.

What nationality was Thomas de Beauchamp, 12th Earl of Warwick?

Thomas de Beauchamp, 12th Earl of Warwick was English.

Sources & further reading

· Wikipedia: Thomas de Beauchamp, 12th Earl of Warwick

· Wikidata: Q945379

· DBpedia: Thomas Beauchamp, 12th Earl of Warwick

Cite this page

APA: Biography.guide. (2026). Thomas de Beauchamp, 12th Earl of Warwick. https://biography.guide/thomas-de-beauchamp-12th-earl-of-warwick/

MLA: "Thomas de Beauchamp, 12th Earl of Warwick." Biography.guide, https://biography.guide/thomas-de-beauchamp-12th-earl-of-warwick/.

Chicago: "Thomas de Beauchamp, 12th Earl of Warwick." Biography.guide. https://biography.guide/thomas-de-beauchamp-12th-earl-of-warwick/.

Data last updated: 2026-09-28 · Spot an error? Report a correction.

Portrait: Wikimedia Commons · author & licence

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