William IV, Grand Duke of Luxembourg Grand Duke of Luxembourg from 1905 to 1912 (1852–1912) Parents Princess Adelheid-Marie of Anhalt-Dessau Adolphe, Grand Duke of Luxembourg Children Princess Sophie of Luxembourg Charlotte, Grand Duchess of Luxembourg Princess Elisabeth of Luxembourg Princess Antonia of Luxembourg Marie-Adélaïde, Grand Duchess of Luxembourg Princess Hilda of Luxembourg Siblings Princess Hilda of Nassau Princess Marie Bathildis of Nassau-Weilburg Prince Franz Joseph of Nassau Prince Friedrich of Nassau-Weilburg unnamed daughter von Nassau-Weilburg Partners Infanta Marie Anne of Portugal
