Jacques, Hereditary Prince of Monaco

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. He is the twin brother of Princess Gabriella.
The newborn prince was baptised Jacques Honoré Rainier. He received the title Marquis of Baux from his father.