GUILLON, MARIE NICOLAS SYLVESTRE (1760 1847), French ecclesiastic, was born in Paris on Jan. 1, 176o.
He was librarian and almoner in the household of the princess de Lamballe, and when in 1792 she was executed, he fled to the provinces, where under the name of Pastel he practised medicine. He afterwards served in turn under Napoleon, the Bourbons and the Orleanists, and became canon of St. Denis, bishop of Morocco and dean of the Sorbonne. Among his many works are a Collec tion des bre f s du page Pie VI. (1798), Bibliotheque choisie des Peres grecs et latins (1822, 26 vols.) and a French translation of Cyprian with notes (1837, 2 Vols.).