アンギャン公
The eldest sons of the Princes of Condé used the title of Duke of Enghien, and were addressed as "Monsieur le Duc" until that style came to be pre-empted by their fathers, as Dukes of Bourbon, after 1709. The Princes of Condé were also the male-line ancestors of the branches of the Princes of Conti, which flourished 1629–1814, and of the Counts of Soissons, 1566–1641.