Jacques, Hereditary Prince of Monaco, Marquis of Baux (Jacques Honoré Rainier Grimaldi; born 10 December 2014), is the heir apparent to the Monegasque throne. He is the son of Prince Albert II and Princess Charlene, and twin brother of Princess Gabriella. He also holds the title of Marquis of Baux, which all the heirs apparent to the crown of Monaco have held since 1643.
