 He showed bitter enmity to Marie Antoinette in the matter of the diamond necklace, and on 19 November 1787 he was the spokesman of the parlement in demanding the convocation of the states-general.When the court retaliated by an edict depriving the parlement of its functions, Eprémesnil bribed the printers to supply him with a copy before its promulgation, and this he read to the assembled .A royal officer was sent to the palais de justice to arrest Eprémesnil and his chief supporter Goislard de Montsabert, but the (5 May 1788) declared that they were all Eprémesnils, and the arrest was only effected on the next day on the voluntary surrender of the two members.