Jean-François-Maurice-Arnauld, Baron Dudevant, better known as Maurice Sand (June 30, 1823 in Paris – September 4, 1889 in Nohant-Vic), was a French illustrator and writer. Maurice Sand also experimented in various other subjects, including painting, geology, and biology. He was the son of Baron Casimir Dudevant and his wife, French novelist and feminist George Sand.Maurice Sand studied under Eugène Delacroix.