Princess Madeleine of Sweden, Duchess of Hälsingland and Gästrikland (Madeleine Thérèse Amélie Joséphine; born Drottningholm, 10 June 1982), is the youngest child and second daughter of King Carl XVI Gustaf and Queen Silvia of Sweden. Upon her birth, she was third in line of succession to the Swedish throne. After the birth of her niece, Princess Estelle in February 2012, she became fourth in line of succession. Her official title is: Her Royal Highness Madeleine, Princess of Sweden, Duchess of Hälsingland and Gästrikland.
Source : Wikipedia