Cauchy had two brothers, Alexandre Laurent Cauchy (1792–1857), who became a president of a division of the court of appeal in 1847, and a judge of the court of cassation in 1849; and Eugene François Cauchy (1802–1877), a publicist who also wrote several mathematical works.
== Življenje ===== Mladost in izobrazba ===Cauchy je bil sin Louisa Françoisa Cauchyja (1760–1848) in Marie-Madeleine Desestre.