Queen Mathilde of Belgium DHS (born Mathilde Marie Christiane Ghislaine d'Udekem d'Acoz on 20 January 1973) is the Queen of the Belgians as the wife of King Philippe, who ascended the throne following the abdication of his father, King Albert II, on 21 July 2013. She is the first Belgian-born Queen consort of the Belgians, and the only member of the nobility by birth among the current queens consort of Europe.