Jean-Antoine-Joseph de Bry, called Debry (25 November 1760 in Vervins, Aisne – 6 January 1834 in Paris) was President of the National Convention (21 March 1793 – 4 April 1793), famous for a slogan La patrie est en danger (English: The Fatherland is in danger) he proposed..
Debry was on 8 September 1791 elected as a member of the Legislative Assembly and on 4 September 1792 as a member of the National Convention. He voted for the death sentence of King Louis XVI and became a member of both Comité de sûreté générale (22 January 1793 – 16 June 1793) and Comité de salut public.
He protested against proscription of the Girondins and was active in Thermidor régime. After the coup d'état of 18 Brumaire he supported Bonaparte. He was proscribed as a regicide (1816) and lived in the Kingdom of the Netherlands. Debry returned to France in 1830.
Jean Debry coats were an item of men's fashion in England; the fashion had begun to date by 1799 
- The Times,11 December 1799, If the present fashion of nudity continues its career...