The arms of the town of Chartres in France where the title originates from

Originally, the Duchy of Chartres (duché de Chartres) was the comté de Chartres, an Earldom. The title of comte de Chartres thus became duc de Chartres. This duchy-peerage was given by Louis XIV of France to his nephew, Philippe II d'Orléans, at his birth in 1674. Philippe II was the younger son and heir of the king's brother, Philippe de France, the duc d'Orléans.

Carolingian Counts

• 882-886 : Hasting, Viking chief, defeated by Carloman in 879, agreed to settle in and received the County of Chartres. He sold it in 886 to subsidize an expedition during which he died.

Hereditary Counts

House of Blois

960-965 : Theobald I the Cheater († 975) count of Blois and Chartres, of which he took possession in 960.

married to Liutgarde de Vendermois

975-996 : Odo I († 996) count of Blois and Chartres, and count of Reims (982-985)

married to Bertha of Burgundy

995-1004 : Theobald II († 1004) count of Blois, Chartres, and Reims

Duke of Chartres

After its revival and elevation, the title duc de Chartres was used by the House of Orléans, founded by Philippe de France, duc d'Orléans, and cadet branch of the House of Bourbon.

Holders of the title were:

The arms of the House of Orléans.

• Philippe II d'Orléans, duc de Chartres (1674–1723),
  • Regent of France from 1715 to 1723;
• Louis d'Orléans, duc de Chartres (1703–1752);
• Louis Philippe I d'Orléans, duc de Chartres (1725–1785);
• Louis Philippe II d'Orléans, duc de Chartres (1747–1793),
  • Philippe Égalité during the French Revolution of 1789;
• Louis-Philippe III d'Orléans, duc de Chartres (1773-1850),
  • Louis-Philippe I, King of the French from 1830 to 1848.
• Ferdinand Philippe d'Orléans, duc de Chartres (1810–1842),
  • eldest son of King Louis-Philippe.

After 1848

• Robert, a younger brother of the comte de Paris was titled duc de Chartres (1840-1910).

The title is currently held, as a courtesy title, by

• Charles-Louis, duc de Chartres,
  • son of the Orléanist claimant to the throne of France, Jacques, duc d'Orléans.