Queen Elizabeth II
The Grand-Duchy of Luxembourg is a constitutional monarchy. HRH Grand Duke Henri ascended to the throne 7 October 2000. He succeeded his father, Grand Duke Jean, who abdicated in his favor. Grand Duke Jean had ruled since 1964, when his mother Grand Duchess Charlotte abdicated in his favor after ruling for 45 years.
Grand Duke Henri is married to the former Maria Teresa Mestre, and they are the parents of five children, Crown Prince Guillaume (1981), Prince Félix (1984), Prince Louis (1986), Princess Alexandra (1991) and Prince Sébastien (1992). June 23rd is Luxembourg’s National Day and the Official Birthday of the Grand Duke.