In October 1602, in England, an Italian called Daniel Archdeacon accused him of treason against
James VI of Scotland. Archdeacon was from
Piedmont and used to teach Italian and fencing to young gentlemen in London. He had hoped to come Scotland, with the recommendation of the
Laird of Wemyss and teach
Prince Henry. His acquaintance included Thomas
Leedes of Wappingthorne, who he had lent £30. Both men were sent to Edinburgh, and it was decided that, for this accusation of treason, they would fight a duel or combat at
Holyrood Palace in January 1603. James VI bought swords and daggers for the combatants from an Edinburgh armourer William Vaus, and ordered the master carpenter
James Murray to construct a barrier, or stage for the fight, outside Holyrood Palace. This plan was abandoned after a message came from England that Mowbray's treason could be proved. The English letter writer
John Chamberlain described Daniel Archdeacon as "a little pigmee Italian fencer", "the dwarfe Daniell" and a "little dandelot". He heard an incorrect rumour that they fought the judicial combat and both died. Mowbray and Archdeacon were imprisoned or "warded" in
Edinburgh Castle. Witnesses against him, Scottish men from London, were interviewed by the king. These included Walter Mowbray and John Anderson, who had been bankrupted and were not considered reliable. A French diplomat, the
Baron de Tour interviewed Archdeacon, and found him to be both "a witty man and a cunning corrupted person." De Tour took the idea of plot seriously, and advised James VI that Mowbray should be tortured, rather than fight a duel with the Italian. Mowbray was questioned on 12 December 1602 and a lengthy statement was drawn up. It notes that he was uncle to the laird of Barnbougle. He said he met Archdeacon because they both served the
Earl of Argyll. Archdeacon had asked him about becoming a fencing and languages teacher to Prince Henry. He thought of going to Spain and taking Archdeacon with him. Mowbray explained his disappointment that his nephew's ward and marriage had passed from William Schaw to
Laird of Easter Wemyss, but claimed not to have spoken against the king because of it, or to have criticised James VI for his reaction to the execution of Mary, Queen of Scots. Archdeacon had told them he had used a metaphor of sarks (shirts), coats, and skins about the king and his mother, which Mowbray denied. On 30 January Mowbray escaped from Edinburgh Castle using a rope made from blankets but fell down the castle craigs injuring his head, either because the makeshift rope was too short, or because the castle guard saw him climbing down and shook him off the rope. He died the next day. On the king's orders his body was
hanged, drawn and quartered, and his body was displayed on the four ports or gates of Edinburgh. King James wrote that Mowbray "was to all appearance seduced by Satan, who was the first motioner of these his devilish enterprises". King James gave Archdeacon a gold medallion in March 1606. ==References==