Prince Louis, born on 3 August 1986, the third child of the Grand Duke and Grand Duchess, will celebrate his 37th anniversary this Thursday.
Born Prince Louis Xavier Marie Guillaume, Prince of Luxembourg, Prince of Nassau and Bourbon-Parma, has three brothers and one sister: Prince Guillaume, the Crown Prince; Prince Félix; Princess Alexandra and Prince Sébastien.
He has two sons from his first marriage with Tessy Antony: Prince Gabriel Michael Louis Ronny, born in Geneva on 12 March 2006, and Prince Noah Etienne Guillaume Gabriel Matthias Xavier, born in Luxembourg on 21 September 2007.
For full biography, see https://monarchie.lu/en/grand-ducal-family/hrh-prince-louis