Stéphanie, Grand Duchess of Luxembourg

Stéphanie
Stéphanie in 2025
Grand Duchess consort of Luxembourg
Tenure3 October 2025 – present
BornCountess Stéphanie Marie Claudine Christine de Lannoy
(1984-02-18) 18 February 1984
Ronse, East Flanders, Belgium
Spouse
(m. 2012)
IssuePrince Charles of Luxembourg
Prince François of Luxembourg
House
FatherCount Philippe de Lannoy
MotherAlix della Faille de Leverghem

Stéphanie (born Countess Stéphanie de Lannoy on 18 February 1984) is Grand Duchess of Luxembourg as the wife of Grand Duke Guillaume V. She became engaged to the then Hereditary Grand Duke on 26 April 2012 and married him, in a civil ceremony, on 19 October 2012, followed by a religious service the next day. The couple have two sons, Prince Charles and Prince François.