State visit of TT.RR.HH. Grand Duke Henri and Grand Duchess Maria Teresa to the Portuguese Republic from 7 to 9 September 2010
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The Maison du Grand-Duc
H.R.H. Grand Duke Henri signed the Grand Ducal decree on the establishment of the Maison du Grand-Duc (House of the Grand Duke) on 9 October 2020. This administration provides the Grand Duke with the administrative and logistical support necessary for exercising his role as Head of State.
