Princess Sophie of Luxembourg Luxembourgian princess (1902–1941) (1902–1941) Parents Infanta Marie Anne of Portugal William IV, Grand Duke of Luxembourg Children Prince Dedo of Saxony Prince Gero of Saxony Thimo de Saxe Siblings Princess Elisabeth of Luxembourg Princess Hilda of Luxembourg Charlotte, Grand Duchess of Luxembourg Marie-Adélaïde, Grand Duchess of Luxembourg Princess Antonia of Luxembourg Partners Prince Ernst Heinrich of Saxony