William IV
grand duke of Luxembourg
Also known as: Wilhelm Alexander
William IV (born April 22, 1852, Biebrich, Nassau, Germany—died February 25, 1912, Schloss Berg, near Luxembourg) was the grand duke of Luxembourg (1905–12), the eldest son of grand duke Adolf of Nassau. Falling severely ill soon after his accession, he eventually on March 19, 1908, had his consort Maria Anna of Braganza named regent, or governor (Statthalterin). Also, having no sons and wishing to secure the succession of his daughters Marie-Adélaide and Charlotte, he had...