François Casimir Dudevant (6 July 1795 – 8 March 1871) was the illegitimate son of Baron Jean-François Dudevant (1754–1826), a French military officer, and his mistress Augustine Soulé. On 10 December 1822, Dudevant married Aurore Dupin, who became well-known as an author using the name George Sand. Before separating in 1830, they had two children: Maurice (1823–1889) and Solange (1828–1899), who married the artist Auguste Clésinger in 1847. Dudevant was born in Guillery and died in Barbaste.