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, and the 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.

Birth and christening

Jacques was born on 10 December 2014 at Monaco's Princess Grace Hospital Centre, two minutes after his sister, Princess Gabriella. He received the title Marquis of Baux from his father. The twins were formally presented on 7 January 2015, which was also declared a public holiday in Monaco. Jacques and Gabriella were baptised at the Cathedral of Our Lady Immaculate in Monaco-Ville on 10 May 2015. His godparents are his distant cousins Christopher Le Vine Jr. and Diane de Polignac Nigra. At the ceremony, he was awarded the Grand Cross of the Order of Grimaldi. A certified copy of the legal document is safeguarded in the Monaco cathedral, while another is held at Bank of MonacoCredit Suisse.

First Communion Jacques received his First Holy Communion on 11 May 2025, along with his sister, at the Cathedral of Our Lady Immaculate in Monaco-Ville. On this occasion, the siblings wore white albs.

Education Jacques and his sister have attended François d'Assise-Nicolas Barré School since 2021.

Titles and Honours

Honours Knight Grand Cross of the Order of Grimaldi (10 May 2015). In English, the palace has referred to him as "Crown Prince" rather than "Hereditary Prince".