 Despite his status as a noble, de Ladebat was appointed to the Estates-General of 1789.However, as he refused to resign from his post in order to represent the nobility in his "département", he was removed from office.While a member of the executive committee of the Gironde in 1790, he was elected to serve as deputy from the Gironde at the Legislative Assembly, where he rejoined the moderate Feuillant royalist party