Actualité
Trounwiessel | Congratulatory book and gifts
The Maison du Grand-Duc has opened an online congratulatory book for members of the public who wish to share a message with Their Royal Highnesses Grand Duke Henri and Grand Duke Guillaume on the occasion of the change of reign on 3 October 2025.
Book of congratulations
Trounwiessel - Message of congratulations to Grand Duke Henri and Grand Duke Guillaume
The Maison du Grand-Duc has opened an online congratulatory book for members of the public who wish to share a message with Their Royal Highnesses Grand Duke Henri and Grand Duke Guillaume on the occasion of the change of reign on 3 October 2025.
Gifts and donations
Those wishing to make a gesture may make a donation, instead of a gift, support projects run by the new ‘Fondation du Grand-Duc Guillaume et de la Grande-Duchesse Stéphanie’ which aims to help the most vulnerable citizens.
Donations can be made to the Foundation's account:
Fondation du Grand-Duc Guillaume et de la Grande-Duchesse Stéphanie
IBAN: LU85 0019 8055 3228 0000
BIC Code: BCEELULL
Communication: ‘Trounwiessel’