House of Grimaldi
Ercole Grimaldi, Marquis of Baux (16 December 1623 – 2 August 1651) was a member of the House of Grimaldi. He was the first Monegasque prince and heir apparent to the first Monegasque sovereign prince, Honoré II. Dying at the age of 27, Baux was replaced as heir apparent by his son Louis who succeeded Honoré II.