 On 20 June 1792, during the riots at the Tuileries Palace, he defended King Louis XVI of France and the royal family, an action which led to his arrest the following December.Though released at the beginning of the Convention, de Ladebat was again imprisoned under the Reign of Terror as suspect because of his connections with the Girondins.He escaped the Revolutionary Tribunal thanks to the government's reliance on his credit in order to finance its operations.