César, Duke of Vendôme

César de Bourbon'' (3 June 1594 – 22 October 1665) was the illegitimate son of Henry IV of France and his mistress Gabrielle d'Estrées. He held the titles of 1st Duke of Vendôme, 2nd Duke of Beaufort and 2nd Duke of Étampes, but is also simply known as César de Vendôme. Through his daughter, Élisabeth de Bourbon, César was a great-great-great-grandfather of Louis XV of France.

Issue

 * 1) Louis de Bourbon, 2nd ''Duke of Vendôme (1612–1669) married Laura Mancini and had issue.
 * 2) François de Bourbon, 2nd Duke of Beaufort (1616–1669) never married, had issue.
 * 3) Élisabeth de Bourbon, Mademoiselle de Vendôme (August 1614 – 19 May 1664) married Charles Amédée of Savoy, Duke of Nemours and had issue.