Diplomat, statesman, French minister of foreign affairs.
Received his political education from his uncle, Theodore de Chavigny, French ambassador in Lisbon and Frankfort.
Held a range of ministerial positions across Europe. Appointed ministre des affaires étrangères by Louis XVI (1774-87). Publically advocated the political and commercial isolation of England.
Supported the American Revolution. Charged Conrad-Alexandre Gérard to conclude the French-American Treaty of Alliance (1778).
His last diplomatic work was to conclude the Treaty of Commerce with England (1786).
Born in Dijon.