Who's son concluded a set of treaties which ended the American Revolutionary War?
John Petty, 2nd Marquess of Lansdowne: John Henry Petty, 2nd Marquess of Lansdowne (2 May 1765 – 15 November 1809) was a British peer and politician. Peace of Paris (1783): The Peace of Paris of 1783 was the set of treaties which ended the American Revolutionary War.
i don't know