How old is Stéphanie, Grand Duchess Consort of Luxembourg?
Stéphanie, Grand Duchess Consort of Luxembourg is 42 years old as of October 2026. She was born on 18 February 1984.
Belgian-born countess who became Grand Duchess of Luxembourg when her husband Guillaume took the throne in 2025
Did you know?Her family seat is Anvaing Castle in Belgium.
Quick facts
Date of birth18 February 1984
Age42
NationalityLuxembourgish
BirthplaceRonse, Belgium
Editor's Take:
Stéphanie de Lannoy grew up in a castle in Belgium. She was the youngest of eight children. She studied languages and literature. Her wedding to Luxembourg's heir drew crowds and cameras. She became a citizen of her new country. In 2025 her husband became Grand Duke. She now supports causes linked to culture and children. She is the mother of two sons, Prince Charles and Prince François. Her elder son is now heir to the throne.
Key Milestones
2012: Marries Guillaume
2020: Son Charles is born
2025: Becomes Grand Duchess
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.
When is Stéphanie, Grand Duchess Consort of Luxembourg's birthday?
Stéphanie, Grand Duchess Consort of Luxembourg's birthday is February 18. She was born on February 18, 1984 in Ronse, Belgium.
How old is Stéphanie, Grand Duchess Consort of Luxembourg?
Stéphanie, Grand Duchess Consort of Luxembourg is 42 years old, and turns 43 on her next birthday, February 18.
Who shares a birthday with Stéphanie, Grand Duchess Consort of Luxembourg?
Famous people who share Stéphanie, Grand Duchess Consort of Luxembourg's February 18 birthday include Toni Morrison, Alessandro Volta, John Travolta, Ramakrishna and Mary I.
