Jean Georges Lefranc de Pompignan (1715–1790) was a French

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 clergyman, younger brother of Jean-Jacques Lefranc, Marquis de Pompignan

Jean-Jacques Lefranc, marquis de Pompignan

Jean-Jacques Lefranc , Marquis de Pompignan was a French man of letters and erudition, who published a considerable output of theatrical work, poems, literary criticism, and polemics; treatises on archeology, nature, travel and many other subjects; and a wide selection of highly-regarded...

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Pompignan was the archbishop of Vienne against whose defence of the faith Voltaire

Voltaire

François-Marie Arouet , better known by the pen name Voltaire , was a French Enlightenment writer, historian and philosopher famous for his wit and for his advocacy of civil liberties, including freedom of religion, free trade and separation of church and state...

 launched the good-natured mockery of Les Lettres d'un Quaker. Elected to the Estates General, he passed over to the Liberal side, and led the 149 members of the clergy who united with the third estate to form the National Assembly. He was one of its first presidents, and was minister of public worship when the civil constitution was forced upon the clergy.