 In October 1787 he married Marie-Madeleine Desestre, who came from a family of Parisian officers, and the couple had four children, Augustin-Louis Cauchy (1789-1857), Alexandre Laurent Cauchy (1792-1857), Eugène François Cauchy (1802-1877) and a daughter.On the year of Augustin-Louis Cauchy's birth, Louis François moved his entire family to the small village of Arcueil.In April 1794, de Crosne was executed by the revolutionary government.