Louise Marie Madeleine Fontaine
Louise de Fontaine was born in Paris, in the parish of Saint-Roch, on 28 October 1706. Her baptism act was as follows:
Marie-Adélaïde, Grand Duchess of Luxembourg
Thus, when her father died on 25 February 1912, she succeeded to the throne at the age of 17, becoming the first reigning Grand Duchess of Luxembourg. Her mother served as regent until Marie-Adélaïde's eighteenth birthday on 18 June 1912, when the President of the Chamber Auguste Laval swore her in as the first Luxembourgish monarch to be born in the territory since Count John the Blind (1296–1346). Laval's speech to the Chamber of Deputies (parliament) during the ceremony was: