Marquis of Baux is one of the Prince of Monaco

Prince of Monaco

The Reigning Prince or Princess of Monaco is the sovereign monarch and head of state of the Principality of Monaco. All Princes or Princesses thus far have taken the name of the House of Grimaldi, but have belonged to various other houses in male line...

's many titles. When possible, the title passes from the reigning Prince to the first male heir apparent

Heir apparent

An heir apparent or heiress apparent is a person who is first in line of succession and cannot be displaced from inheriting, except by a change in the rules of succession....

 or heir presumptive

Heir Presumptive

An heir presumptive or heiress presumptive is the person provisionally scheduled to inherit a throne, peerage, or other hereditary honour, but whose position can be displaced by the birth of an heir or heiress apparent or of a new heir presumptive with a better claim to the position in question...

 of the Monegasque throne. Although the present Sovereign Prince of Monaco is Albert II, he doesn't have a male heir to the throne and therefore still possesses this title. The marquessate was originally associated with the town of Les Baux de Provence, but later lost its administrative authority when control of the town reverted to France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

.

The title "Lord of Baux

Lords of Baux

This is a list of the Lords, Barons and Marquisses of Baux.-Lords of Baux of the House of Baux:*Pons , father of*Hugh 1 , father of*William I Hugh , father of*Raymond I , father of*Hugh II...

" had been used by other families. It was re-granted as a marquisate to Honoré II, Prince of Monaco

Honoré II, Prince of Monaco

Honoré II was Sovereign Prince of Monaco. He was the first to be called Prince, but started his reign as Lord of Monaco....

 in 1642 by Louis XIII King of France, but was first used by Honoré's son Ercole, Marquis of Baux

Ercole, Marquis of Baux

Ercole Grimaldi, Marquis of Baux was a member of the House of Grimaldi and heir apparent of his father Honoré II of Monaco.-Biography:...

. Ercole died before his father, and this was why the title was granted for several centuries to the heirs of the Prince of Monaco.

The title always passed under Salic law

Salic law

Salic law was a body of traditional law codified for governing the Salian Franks in the early Middle Ages during the reign of King Clovis I in the 6th century...

 from father to son, and so the last real Marquis was Louis II, Prince of Monaco

Louis II, Prince of Monaco

Louis II was Prince of Monaco and Duke of Valentinois from 27 June 1922 until 9 May 1949.-Early years:Born Louis Honoré Charles Antoine Grimaldi in Baden-Baden, Germany, he was the only child of Prince Albert I of Monaco , and Lady Mary Victoria Hamilton...

, great-grandfather of Albert II, who died in 1949.

List of Marquis of Baux

Name	Reign	Length
Antonio I Antonio I of Monaco Antonio I was the Prince of Monaco from 1701 to 1731. He was the elder son of Louis I, Prince of Monaco and Catherine Charlotte de Gramont....
Honoré III Honoré III, Prince of Monaco Honoré III ruled as Prince of Monaco and was Duke of Valentinois for almost sixty years from 1733 to 1793...
Honoré IV Honoré IV, Prince of Monaco Honoré IV was Prince of Monaco and Duke of Valentinois from 12 March 1795 to 16 February 1819. He was the son of Prince Honoré III by his wife, Maria Caterina Brignole, a Genoese noblewoman...
Honoré V Honoré V, Prince of Monaco Honoré V was Prince of Monaco and Duke of Valentinois. He was born Honoré Gabriel Grimaldi, the first son of Honoré IV of Monaco and Louise d'Aumont...
Florestan I Florestan I, Prince of Monaco Florestan I, Prince of Monaco was Prince of Monaco and Duke of Valentinois from 2 October 1841 until his death...	16 February 1819 - 2 October 1841
Charles III Charles III, Prince of Monaco Charles III was Prince of Monaco and Duke of Valentinois from 20 June 1856 to his death. He was the founder of the famous casino in Monte Carlo, as his title in Monegasque and Italian was Carlo III.-Birth:...	2 October 1841 - 20 June 1856
Albert I Albert I, Prince of Monaco Albert I was Prince of Monaco and Duke of Valentinois from 10 September 1889 until his death.-Early life:...	20 June 1856 – 10 September 1889
Louis II Louis II, Prince of Monaco Louis II was Prince of Monaco and Duke of Valentinois from 27 June 1922 until 9 May 1949.-Early years:Born Louis Honoré Charles Antoine Grimaldi in Baden-Baden, Germany, he was the only child of Prince Albert I of Monaco , and Lady Mary Victoria Hamilton...	10 September 1889 - 30 May 1944
Rainier III Rainier III, Prince of Monaco Rainier III, Prince of Monaco , styled His Serene Highness The Sovereign Prince of Monaco, ruled the Principality of Monaco for almost 56 years, making him one of the longest ruling monarchs of the 20th century.Though he was best known outside of Europe for having married American...	30 May 1944 - 14 March 1958
Albert II Albert II, Prince of Monaco Albert II, Sovereign Prince of Monaco is the head of the House of Grimaldi and the ruler of the Principality of Monaco. He is the son of Rainier III, Prince of Monaco, and the American actress Grace Kelly...	14 March 1958 - present

See also

• Lords of Baux
  Lords of Baux
  This is a list of the Lords, Barons and Marquisses of Baux.-Lords of Baux of the House of Baux:*Pons , father of*Hugh 1 , father of*William I Hugh , father of*Raymond I , father of*Hugh II...
  
  
• Hereditary Prince of Monaco
  Hereditary Prince of Monaco
  The Hereditary Prince' of Monaco is the title given to the heir apparent or heir presumptive of the Monegasque throne. Traditionally, a male Hereditary Prince is also given the title Marquis of Baux...
  
  
• List of heirs to the Monegasque throne