After a trial the day before, Brother Moniteur was executed on a guillotine during the French Revolution.
W. J. Battersby [FSC], The History of the Institute of the Brothers of the Christian Schools in the Nineteenth Century 1719-1798 (London: Waldegrave, 1960), p. 149. See also Bulletin des Ecoles Chretiennes26 (January 1938), p. 49..