Gaston, Duke of Orléans
The following male was the son of Gaston, Duke of Orléans, the only surviving brother of Louis XIII. Gaston was created the Duke of Orléans at his first marriage in 1626 to the heiress Marie de Bourbon, Duchess of Montpensier; Marie died in childbirth while Gaston again married again in 1632 to Marguerite de Lorraine.