Guillaume V

Office verified

Confirmed by an official record of the government or institution. The seal certifies the record, not the person: it is not an endorsement or a claimed account.

Source: The Luxembourg Government

Guillaume V has been Grand Duke of Luxembourg since 3 October 2025. He served as lieutenant-representative from October 2024 and as an officer in the Luxembourg Army from 2002.[3]

Country

Luxembourg

Born

11 Nov 1981, Luxembourg City, Luxembourg[3]

First office on record

Lieutenant-representative of the Grand Duke, 2024

1. 3 Oct 2025 – present

   Grand Duke[1][2]

   Grand Duchy of LuxembourgVerified

2. 2024 – 2025

   Lieutenant-representative of the Grand Duke[3]

   Sourced

• Royal Military Academy Sandhurst[3]
• Bachelor's degree, Institut Albert-le-Grand, Angers (University of Angers), 2009[3]
• Royal College of Defence Studies, London[3]

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