Duke of Aiguillon

Coat of arms of the Vignerot du Plessis family, quartering the arms of Vignerot and of du Plessis de Richelieu

Duke of Aiguillon (French: duc d'Aiguillon) was a title of French nobility in the peerage of France, first created in 1599 by Henry IV of France for Henry of Lorraine, son of Charles, Duke of Mayenne. The title takes its name from the town of Aiguillon.

List of dukes of Aiguillon, 1599—1789

From To Duke of Aiguillon Relationship to predecessor
1599 1621 Henry of Lorraine, Duke of Mayenne (1578-1621) Son of Charles, Duke of Mayenne, whom he succeeded in 1611
1634 1635 Antoine de l'Age, duc de Puylaurens (1602–1635) The Duchy of Aiguillon was granted to him under the title of Duke of Puylaurens
1638 1675 Marie Madeleine de Vignerot du Plessis (1604-1675) Cardinal Richelieu purchased the Duchy of Aiguillon in 1638 and gave it to Marie Madeleine, the daughter of René de Vignerot and his wife Françoise du Plessis, the sister of Cardinal Richelieu
1675 1704 Thérèse de Vignerot du Plessis (d. 1704) Niece of Marie Madeleine
1731 1750 Armand-Louis de Vignerot du Plessis (d. 1750) Grandnephew of Thérèse
1750 1788 Emmanuel-Armand de Vignerot du Plessis-Richelieu (1720-1788) Son of Armand-Louis
1788 1789 Armand-Désiré de Vignerot du Plessis-Richelieu (1750-1800) Son of Emmanuel-Armand

The title of Duke of Aiguillon was suppressed at the time of the French Revolution.