Moreover, Napoleon vigorously intervened on his behalf, and is even said to have made Tandy's release a condition of signing the Treaty of Amiens.
In 1279, Jean travelled to Amiens and to England to negotiate the Treaty of Amiens, which ended the state of war between Edward of England and Philip III of France and returned the Agenais to English control.
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In 1802, after the Peace of Amiens, she took her younger daughter, Georgiana (Gordon Castle, 18 July 1781 – Nice, 24 February 1853), to Paris with a view to marrying her to the son of the Empress Joséphine, Eugène de Beauharnais.
He also painted 'The Treaty of Amiens,' for which he received the prize of 12,000 francs in the competition in the year XI; 'The Death of the Father of Louis XVI.,' exhibited in 1817; 'Thrasybulus re-establishing the Democratic Government at Athens,' which passed into England, 'The Death of Alcibiades,' 'The Birth of Venus,' 'The Toilet of Venus,' and portraits of many of the men of mark of the time.