William I of the Netherlands King of the Netherlands and Grand Duke of Luxembourg 1815-1840 (1772-1843) (1772–1843) Parents Wilhelmina of Prussia, Princess of Orange William V, Prince of Orange Children William II of the Netherlands Princess Pauline of Orange-Nassau Prince Frederik of the Netherlands Princess Marianne of the Netherlands unnamed child von Nassau Siblings Prince Frederick of Orange-Nassau Princess Louise of Orange-Nassau unnamed son von Nassau-Dietz unnamed child von Nassau-Dietz Partners Henrietta d'Oultremont Wilhelmine of Prussia, Queen of the Netherlands
