British Traitors Who Have Committed High Treason
Ranked #3,410 in Education, #81,963 overall
the stories of British traitors who betrayed their country, their monarch and their fellow country men and women
The English parliament formalised treason as a crime against the state with the Treason Act way back in 1351, in the reign of Edward The Third, it was also called the "Statute of Treasons". The act distinguished between what was called high treason and petty or lesser treason. Several distinct offences come under the ruling of high treason; although many including forgery have been relegated to ordinary offences. Throughout British history there have been some famous traitors, some who have been capable of the most outrageous treachery. All have suffered some form of punishment for treason.
The four men in the photograph are the infamous Cambridge spies, Burgess, MaClean, Philby and Blunt who spied for the Soviet Union during the Cold War. Shame on them.
The death penalty for treason in the UK was abolished in 1998.
Contents at a Glance
Treason Poll
"When a man doth compass or
imagine the death of
our lord the king,
of our lady his queen,
or of their eldest son and heir"
18th century treason law
Treason Is A Deadly Pastime
William Wallace Braveheart
Treason Debate
Should William Wallace aka Braveheart be called a traitor?

Technically yes
JimDickens says:
Yes he was even though he was fighting for a just cause. It is an old story that the victors get to write the history books.
Ethically no
MonikaWeise says:
I don't believe he was a traitor, I believe he was a hero.
Cinnamonbite says:
Well England was not his country so he couldn't be a traitor. He was fighting to liberate Scotland from British overlords. So technically, no.
The Greatest Traitor - Roger Mortimer
Roger Mortimer had an affair and ran off with Edward the second's wife Isabella. He was implicated in the murder of Edward II and he 'ruled' England for three years before events caught up with him. Mortimer was captured at Nottingham Castle by soldiers loyal to King Edward III the son of Edward II. They entered the castle via a secret passageway that has become known as Mortimers Hole. The price of romance.
Treason Act 1351
British Government Official Link To The Act
Treason Act 1351 instigated by Edward III. Worth a read...just in case
Tinker Taylor Soldier Spy and Traitor
treason fiction at its best
Traitors Gate
You knew were in trouble if you passed through these gates
The water gate to the Tower of London from the river Thames.
The web article Traitors Gate describes its gruesome history which includes that of Anne Boleyn and Catherine Howard.
William Stanley
Battle of Bosworth the Wars of the Roses
As you might expect this guy was a bit of a double dealer. Originally on the side of Richard III the Yorkist (white rose) King, he switched sides at the battle of Bosworth to fight with Henry Tudors's (red rose) Lancastrian army which contributed to the defeat of Richard and establishment of the Tudor dynasty.
In 1495 he was executed for treason against Henry because he supported a rebellion lead by pretender to the throne Perkin Warbeck. I guess a leopard never changes its spots.
Thomas Moore Henry VIII's Lord Chancellor
tried for treason 1535
One minute you're 'in' the next minute you're 'out'. Such were the perils of senior government stewardship at the time of Henry III. Thomas Moore being Catholic resisted the Reformation which developed ideas of the so called Praemunire which denied the right of the Pope to have ultimate power of English affairs. Moore was committed for High Treason for denying for the King's Supremacy, May 7, 1535.
For over a year prior to his trial attempts were made to persuade him to change his mind whilst he was held in the Tower of London. The Duke of Norfolk one of the people who were trying him said. "You see now how grievously you have offended his Majesty ; yet he is so very merÂciful, that if you will lay aside your Obstinacy, and change your Opinion, we hope you may obtain Pardon and Favour in his sight." Moore stuck to his principles and responded "Most Noble Lords, I have great reason to return thanks to your Honours for this your great Civility, but I beseech Almighty God, that I may continue in the Mind I am in, thro' his Grace, unto Death."
He was sentenced to a traitors execution, which involved the gruesome process of hanging drawing and quartering. The sentence was announced as "... to be hanged till he should be half dead; that then he should be cut down alive, his Privy Parts cut off, his Belly ripped, his Bowels burnt, his four Quarters sit up over four Gates of the City: and his Head upon London-Bridge." King Henry commuted the sentence to beheading because he had previously held top jobs in the country.
Anne Boleyn
convicted of treason 15th May 1536
Famously came unstuck by failing to produce a male heir for Henry III. As well as being accused of witch craft and sorcery she faced charges of adultery. The alibi's she provided for her whereabouts relating to her alleged affairs were conveniently dismissed because they were inadmissible. Why? Well, because it was claimed she was a Witch she could travel in non human ways which meant she could materialise at any time and any place of her choosing. Interesting isn't it that she wasn't able to spookily evaporate from her place of execution on Tower Green in the Tower of London.
High Treason Against Henry VIII
other people who got on the wrong side of Henry VIII and the Treasons Act of 1534
The 1534 Treasons Act followed close on the heels of the Act Of Supremacy. The 1534 Treasons act was replaced by another Act in 1547 and further ammendments were made in 1551. The sorts of things that got you into trouble were counterfeiting the royal seal and taking over Castles and not giving them back within six days when asked nicely.
People who fell foul of the Treason Acts included, George Boleyn, Viscount Rochford, Sir William Brereton, Mark Smeaton, Sir Henry Norris
Sir Francis Weston, Catherine Howard, Queen, Thomas Culpeper, and Francis Dereham.
I have a small claim to fame in that I once stayed at Brereton Hall home of Sir William. The house was owned by a business friend of mine.
Guy Fawkes
Executed for Treason on 31 January 1606
Whilst Guy Fawkes and his co-conspirators fell foul of the law. Their unsuccessful attempt to blow up parliament with the Gunpowder Plot has meant November the Fifth has become a great time for friends and family to enjoy fireworks and food. Here are some great Bonfire Night recipes.
The Cato Street Conspirators
caught plotting treason on February 23rd 1820
Worried about social unrest because of the social and economic changes provoked by the industrial revolution, the 1799 Combination Acts made it illegal for groups of working class people to gather together. Upset by the restrictions political activist Arthur Thistlewood and some like minded people conspired to assassinate the whole of British Cabinet in 1820.
They were rumbled when their planning meetings in Cato Street London were stormed by Police following a tip off.
More Cato Street Conspiracy links:
National Archives
Cato Street Conspiracy
John Baird Andrew Hardie and James Wilson Scottish Insurrectionists
Charged with high treason on July 24, 1820 and excuted.
88 Scotsmen were charged with various offenses associated with the so called Radical War of 1820. Their aim was Scottish Independence.
The Scottish Insurrectionist movement like the Cato Street Conspiracy and the more famous Tolpuddle Martyrs were driven by social and economic pressures of the late eighteenth and early nineteenth century. There is an annual commemoration to Baird Hardie and Wilson at Sighthill Cemetery in Glasgow to this day.
Roger Casement
executed for his part in the Easter Rising in Dublin 1916
British Consul and Human Rights activist. Roger Casement became radicalised after the Boer War and the mistreatment of people there and elsewhere in Africa. He sought German support for and Irish rebellion against British rule. His reputation is controversial. The so called Black Diaries in which evidence of Casement's homosexuality were believed to be forged were claimed to have been part of a smear campaign. In 2002 forensic investigation suggests they were actually written by him.
Executed on the 3rd August 1916 at Pentonville Prison. Executioner Albert Ellis said 'He appeared to me the bravest man it fell to my unhappy lot to execute'
Roger Casement Books
John Amery British Fascist
tried for treason in eight minutes and executed after pleading guilty to all charges on 28 November 1945
Responsible for trying to form the British Free Corp an army unit inspired by anti-communism whilst working in Nazi Germany during second world war. At his trial the presiding Judge said "You now stand a self-confessed traitor to your King and country, and you have forfeited your right to live."
The Legion Of St George was the original name of the BFC. He broadcast pro fascist radio bulletins from Italy. He was described as a Mouthpiece for Hitler by the Daily Mail in an article which describes Amery's eccentric, and colourful lifestyle
John Amery British Traitor
British Citizens Who Fought For Hitler an amazing documentary
John Amery
Germany Calling: A Biography of William Joyce
Traitor Lord Haw-Haw
His trial encountered key technicalities relating to 'allegiance' because he had renounced his British citizenship, albeit some of his earlier broadcasts were made whilst his British passport was still valid. He was charged on three counts of treason, which were:
1. William Joyce, on the 18 September 1939, and on numerous other days between 18 September 1939 and 29 May 1945 did aid and assist the enemies of the King by broadcasting to the King's subjects propaganda on behalf of the King's enemies.
2. William Joyce, on 26 September 1940, did aid and comfort the King's enemies by purporting to be naturalised as a German citizen.
3. William Joyce, on 18 September 1939 and on numerous other days between 18 September 1939 and 2 July 1940 did aid and assist the enemies of the King by broadcasting to the King's subjects propaganda on behalf of the King's enemies.
Lord Haw Haw - William Joyce
Germany Calling - Lord Haw Haw was very drunk for his last broadcast
Lord Haw Haw
The Meaning Of Treason
Rebecca West
Meaning Of Treason on eBay
"The man who pauses on
the paths of treason,
Halts on a quicksand,
the first step engulfs him."
Aaron Hill 1723
Henry V
(alternative to Shakespeare)
British Traitors - Letting The Side Down
British Traitor Links
- Britons Who Joined Hitler's SS
- Daily Mail Article
- Lord Haw Haw
- BBC Article including radio broadcasts
- Cambridge Spies - How Philby, Burgess, Maclean, Blunt and Cairncross were unmasked
- A very extensive resource about British Traitors. Cambridge Spies. Espionage and treachery in the notorious spy ring. Source: BBC Archive
Philby, Burgess, Maclean and Blunt
The Cambridge Traitors
Four clever people who betrayed Britain by working for the Soviet Union. This BBC article describes how they coped with their treachery.
The Cambridge Traitors
Burgess Philby Maclean and Blunt
Spycatcher
catching traitors
Spy Catcher: The Candid Autobiography of a Senior Intelligence Officer
Amazon Price: $4.49 (as of 06/01/2012)![]()
This book was banned in the UK when it was first published. I can remember people buying copies in the USA and bringing them back to the UK as presents for colleagues and friends. Even now the story is controversial as this article about Stephen De Mowbray the British spycatcher explains.
The Spycatcher Farce
Treason Links
- High Treason
- The most serious of all felonies was high treason, or treason against the King of England.
- High Treason
- Independent Newspaper article. Launching court cases under the Treason Act would mean dusting down legislation so venerable that it was originally written in Norman French. The threat by the Crown Prosecution Service to use the medieval statute against so-called
- Treason in the UK
- 20th century cases
Treason
British people who took up foreign causes
it would be treasonous not to leave a comment
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JimDickens
Apr 7, 2012 @ 9:55 pm | delete
- From a country founded by traitors to the king, I think this was an excellent lens. However you forgot all of the founding fathers of the USA.
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LabKitty
Mar 19, 2012 @ 7:59 pm | delete
- Would have to put Klaus Fuchs at the top of your list (IIRC, he was a British citizen). Not too much of an exaggeration to say he single-handedly caused the cold war. For this he was only sentenced to 14 years in prison(!).
Also, the tragedy of Thomas Moore (aside from being perhaps the greatest mind produced by the Northern Renaissance) was that he got whacked not over any great matter of state, but rather simply because he wouldn't approve of Henry's *divorce*. What a waste.
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reasonablerobinson
Mar 20, 2012 @ 12:49 pm | delete
- Yes a notorious traitor who should appear here. I'll see to it.
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DavidDove Aug 29, 2011 @ 7:13 am | delete
- Could Gordon Brown's act of selling of the UK gold reserves at an all time low in the market be reasonably classed as treason, acting against the interests of the state? Great lens, thank you
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MonikaWeise Jun 4, 2011 @ 7:26 pm | delete
- What an interesting lens! Thank you!
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sidther
Jun 4, 2011 @ 9:53 am | delete
- Weel, then I guess I shall leave one! Very well done!
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karmicchristian
Jun 4, 2011 @ 3:28 am | delete
- You caught me with your punch-line. :) Lovely lens. Still pondering about William Wallace!
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by reasonablerobinson
Treason must be one of the most despicable forms of betrayal. How do you tread the path between principles and loyalty?
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