Jacques, Hereditary Prince of Monaco

Jacques
	Hereditary Prince of Monaco; Marquis of Baux
	Jacques in 2025 Jacques in 2025
Born	10 December 2014; Princess Grace Hospital Centre, La Colle, Monaco
	Names; Jacques Honoré Rainier Grimaldi
House	Grimaldi
Father	Albert II, Prince of Monaco
Mother	Charlene Wittstock
Religion	Baptised in the Roman Catholic Church

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,^[1] two minutes after his sister, Princess Gabriella.^[1] He is the son of Prince Albert II and Princess Charlene. Charlene later explained that she chose the name Jacques because it is common in her homeland, and that his middle names, Honoré and Rainier, reflect long‑standing associations with previous rulers of Monaco.^[2] He received the title Marquis of Baux from his father.^[1] To mark the births, each twin was honoured with a salvo of 21 cannon shots from Fort Antoine, church bells rang for 15 minutes followed by boat horns, and the day was declared a public holiday.^[3]^[4] The twins were formally presented on 7 January 2015, which was also declared a public holiday in Monaco.^[5] Jacques and Gabriella were baptised at the Cathedral of Our Lady Immaculate in Monaco-Ville on 10 May 2015.^[6] His godparents are his distant cousins Christopher Le Vine Jr. and Diane de Polignac Nigra.^[7] 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 Monaco – Credit Suisse.^[8]

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.^[9]

Education

Jacques and his sister have attended François d'Assise-Nicolas Barré School since 2021.^[10]

Titles and Honours

Titles and Styles: His Serene Highness Prince Jacques of Monaco, Marquis of Baux

Honours

Monaco:
- Knight Grand Cross of the Order of Grimaldi (10 May 2015).^[8]

When referring to Jacques in French, the palace has used the term Prince Héréditaire.^[11] In English, the palace has referred to him as "Crown Prince" rather than "Hereditary Prince".^[12]^[13]

References

Back to citation occurrence 1.0 Back to citation occurrence 1.1 Back to citation occurrence 1.2 Marciano, Catherine (11 December 2014). "Joy in Monaco over arrival of royal twins". Agence France-Presse. Retrieved 24 November 2025.
Back to citation "Gala Interview". 16 December 2014. Retrieved 19 December 2014.
Back to citation "Jour férié et coups de canons pour les jumeaux de Charlène de Monaco". L'Express. 21 November 2014. Retrieved 15 March 2017.
Back to citation "Press release". Retrieved 12 December 2014.
Back to citation "Press release". Retrieved 12 December 2014.
Back to citation "Monaco - The Catholic baptism of Jacques and Gabriella". Paris Match. 14 May 2015. Retrieved 20 October 2015.
Back to citation "Monaco's Prince Albert and Princess Charlene baptize their twins". Hello!. 11 June 2015. Retrieved 20 October 2015.
Back to citation occurrence 8.0 Back to citation occurrence 8.1 "Ordonnance Souveraine n° 5.370 du 17 juin 2015 portant nomination et titularisation d'un Agent de Service dans les établissements d'enseignement / Journal 8234 / Année 2015 / Journaux / Accueil". Journal de Monaco (in French). Retrieved 20 April 2023.
Back to citation Tanti, Cassandra (12 May 2025). "Prince Jacques and Princess Gabriella receive First Communion in Monaco". Monaco Life. Retrieved 9 July 2026.
Back to citation Horsman, Stephanie (12 September 2023). "Back to School for Monaco's Prince Jacques and Princess Gabriella". Monaco Life. Retrieved 12 September 2023.
Back to citation "Pique-nique des Monégasques" [Monegasque picnic] (Press release) (in French). Prince's Palace of Monaco. 2 September 2017. Retrieved 20 September 2017.
Back to citation "Princely Births" (Press release). Prince's Palace of Monaco. 10 December 2014. Retrieved 20 September 2017.
Back to citation "Wishes from TT.HH.SS. Prince Albert and Princess Charlene as well as their children" (Press release). Prince's Palace of Monaco. 24 December 2015. Retrieved 20 September 2017.

Bibliography

Lines of succession
Jacques, Hereditary Prince of Monaco House of Grimaldi Born: 10 December 2014
First Heir apparent	Succession to the Monegasque throne 1st in line	Followed by Princess Gabriella
Monegasque royalty
Preceded by Princess Caroline	Hereditary Prince of Monaco¹ 10 December 2014 – present	Incumbent
Preceded by Prince Albert II	Marquis of Baux 10 December 2014 – present	Incumbent
Notes and references
1. Since his birth the palace is referred him as Crown Prince.

[source-AFP12112014-1-1-1] Back to citation occurrence 1.0 Back to citation occurrence 1.1 Back to citation occurrence 1.2 Marciano, Catherine (11 December 2014). "Joy in Monaco over arrival of royal twins". Agence France-Presse. Retrieved 24 November 2025.

[2] Back to citation "Gala Interview". 16 December 2014. Retrieved 19 December 2014.

[3] Back to citation "Jour férié et coups de canons pour les jumeaux de Charlène de Monaco". L'Express. 21 November 2014. Retrieved 15 March 2017.

[4] Back to citation "Press release". Retrieved 12 December 2014.

[5] Back to citation "Press release". Retrieved 12 December 2014.

[6] Back to citation "Monaco - The Catholic baptism of Jacques and Gabriella". Paris Match. 14 May 2015. Retrieved 20 October 2015.

[7] Back to citation "Monaco's Prince Albert and Princess Charlene baptize their twins". Hello!. 11 June 2015. Retrieved 20 October 2015.

[source-order-8-8-8] Back to citation occurrence 8.0 Back to citation occurrence 8.1 "Ordonnance Souveraine n° 5.370 du 17 juin 2015 portant nomination et titularisation d'un Agent de Service dans les établissements d'enseignement / Journal 8234 / Année 2015 / Journaux / Accueil". Journal de Monaco (in French). Retrieved 20 April 2023.

[9] Back to citation Tanti, Cassandra (12 May 2025). "Prince Jacques and Princess Gabriella receive First Communion in Monaco". Monaco Life. Retrieved 9 July 2026.

[10] Back to citation Horsman, Stephanie (12 September 2023). "Back to School for Monaco's Prince Jacques and Princess Gabriella". Monaco Life. Retrieved 12 September 2023.

[11] Back to citation "Pique-nique des Monégasques" [Monegasque picnic] (Press release) (in French). Prince's Palace of Monaco. 2 September 2017. Retrieved 20 September 2017.

[12] Back to citation "Princely Births" (Press release). Prince's Palace of Monaco. 10 December 2014. Retrieved 20 September 2017.

[13] Back to citation "Wishes from TT.HH.SS. Prince Albert and Princess Charlene as well as their children" (Press release). Prince's Palace of Monaco. 24 December 2015. Retrieved 20 September 2017.

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