Pierre-Jean Grosley

Pierre-Jean Grosley (Troyes, 18 November 1718 – Troyes, 4 November 1785) was a French man of letters, local historian, travel writer and observer of social mores in the Age of Enlightenment and a contributor to the Encyclopédie ou Dictionnaire raisonné des sciences, des arts et des métiers.

Grosley was a magistrate in his native Troyes, where he had plenty of opportunity to hear the local dialect, which he described in a paper (1761). At the time of his death he was engaged in publishing Mémoires historiques et critiques pour l'histoire de Troyes ("Historic and critical notes for the history of Troyes") of which only the first complete volume was printed (Paris 1774).

Grosley accumulated some medieval manuscripts in the course of his researches. A manuscript of the chanson de geste Garin le Loherain with Garey's inscription was part of the Phillipps collection and is now conserved in the Bancroft Library, University of California at Berkeley.

Following his sojourn in Italy as the military administrator of the maréchal de Maillebois during the War of Austrian Succession, he published his Observations sur l'Italie et les Italiens.

He came in second in the competition ordered by the Académie de Dijon in 1750, which was won by Jean-Jacques Rousseau with his Discours sur les sciences et les arts. In 1752 he published his Recherches pour servir à l'histoire du droit françois; the essay, maintaining the Gaulish origin of French customary law, is divided in three sections: the first presents arguments to show that Gaul was least Romanised in the north; the second that French customs did not have their origins in the anarchic feudal conditions of the tenth and eleventh centuries; the third, that the Roman law did not prevail north of the Loire.

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