 After César de Bourbon's death in 1665, he was succeeded as "Duke of Vendôme" by his first son Louis (1612–1669), while the title of "Duke of Beaufort" passed to his second son François (1616–1669).After the death of the 4th Duke of Vendôme in 1727, the title reverted to the Crown.It continued to be used as a courtesy title by the Comte de Provence, the younger brother of Louis XVI.