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Luxembourg: Grand Duke's standard

Grand Duke's standard
- Former Grand Duke's standard (1897-2000)
Grand Duke's car flag
- Erroneous reports of the Grand Duke's car flag
Grand Duke's arms
Grand Duke's personal flags
- Personal flag of Grand Duke Henri
- Putative personal flag of the future Grand Duke Guillaume

Grand Duke's standard

Grand Duke's standard - Image by Zoltan Horváth, 30 June 2024

The Grand Duke's flag since 2000 has on an orange background the middle coat of arms of the dynasty.

Zoltan Horváth, 30 June 2024

Former Grand Duke's standard (1897-2000)

Standard of the Grand Duke of Luxembourg, 1897-2000 - Image by Željko Heimer, 17 May 2002

The Grand Duke's standard was adopted in 1897. With dimensions 22 x 28 cm, it shows on an orange background the middle coat of arms of the dynasty.
The coat of arms shown on this flag is stylised and doesn't look like the drawings of the Grand Duke's coat of arms shown in books.

Pascal Vagnat, 17 May 2002

Grand Duke's car flag

Grand Duke's car flag - Image by Zoltan Horváth, 30 June 2024
left, after photos and videos; right, as illustrated in Album 2000

Grand Duke's car flag has a simplified version of coat of arms.
Images of flag: (video, Weilburg [Germany], 25 February 2012), photo, photo.

Zoltan Horváth, 30 June 2024 and Jan Mertens, 8 August 2017

Album 2000 [pay00] and Album 2023 illustrates a similar, but different flag as a car flag.

Zoltan Horváth, 30 June 2024

Erroneous reports of the Grand Duke's car flag

Proposal of Grand Duke's car flag - Image by Klaus-Michael Schneider, 11 March 2009

Several authors (for instance, Smith [smi75b], Barraclough & Crampton [c2b81] and Pedersen [ped80]) show a square blue flag with the lesser national arms with the Order of the Oaken Crown around it, and seven golden billets. According to Barraclough & Crampton, the flag was adopted soon after 1964; according to Pedersen, it is only used on means of transport.

Mark Sensen, 17 May 2002

According to a letter of the Maréchal de la cour grand-ducale (Archives Michel Lupant), this flag never existed and was only a proposal. It should never had been published, but someone published it and books subsequently copied out the image.
The late 1960s are also known for a Law proposal made by the heraldist Robert Matagne to officialize the emblems of Luxemburg, a law which was eventually adopted 1972. Probably the Grand Duke's car flag was an idea of Matagne or an other heraldist. I say probably, because there were also attempts to make Grand Duke Jean, enthroned in 1964, adopt an other personal coat of arms than the one from 1897. Such a new coat of arms was never adopted, and the blue car flag never existed.

Pascal Vagnat, 18 May 2002

Grand Duke's arms

Coat of arms of the Grand Duke of Luxembourg, 2001- (left, greater arms; middle, middle arms; right, lesser arms) - Images by Santiago Dotor, 20 May 2002

By Grand Ducal decrees of 23 February and 23 June 2001, signed at the Grand Ducal Palace in Luxembourg, Grand Duke Henri established his new coat of arms, which are in three tiers: small coat of arms, medium coat of arms and large coat of arms. Images of his coats of arms: [official website]

Zoltan Horváth, 30 June 2024

Grand Duke Henri adopted in 2001 the coat of arms proposed by heraldists in the 1960s. The difference with the former arms is the swapping of the arms of Luxembourg proper (now in the first and fourth quarters) for the arms of Nassau (now in the second and third quarters).

Pascal Vagnat, 17 May 2002

On the above images, the lion is designed according to the "1993 pattern". See the discussion on that pattern.

Joseph McMillan, 14 February 2005

Grand Duke's personal flags

Personal flag of Grand-Duke Henri

Personal flag of Grand Duke Henri - Image by Zoltan Horváth, 18 May 2024

In this page (news on Luxembourg Gouvernment website), I see:
National Day 2024 - The 23.06.2024
"On the occasion of the public celebration of the birthday of HRH the Grand Duke, members of the Grand Duke's family and the government attend the festivities organised in Kehlen, Esch-sur-Alzette and Luxembourg
City on 22nd and 23rd June 2024."
The illustration going with that is a LU flag, bearing a monarch' cypher: A crowned "H".
I get the impression, there is a national flag, a flag for the office of head of state, and a personal flag of the current head. It make you wonder whether the previous [Grand Dukes] had personal flags as well.

Peter Hans van den Muijzenberg, 17 May 2025

The national flag of Luxemburg with Henri's cypher can be seen hoisted in pictures and videos here (publications on official accounts of the City of Luxembourg and the Grand-Ducal Court):
- Ville de Luxembourg on TikTok (June 2024)
- Ville de Luxembourg and Cour grandducale on Instagram (June 2024)
with this caption: "The Luxembourg flag with the Letter “H” for Henri was raised this morning. Follow the flag’s journey with us from the Services Architecte-Maintenance warehouse to the 43-metre high pole where it is now proudly displayed for National Day."

And on histoireroyales.fr website, one can read in the caption of the photo of the flag bearing the H: "The standard of Grand Duke Henri flies in Luxembourg. It will soon be replaced by that of the new Grand Duke William."
So we know that the national flag of Luxembourg with the Grand-ducal cypher is the personal standard of the Grand-Duke, and in use since at least 2024.

Olivier Touzeau, 21 August 2025

Putative personal flag of the future Grand-Duke Guillaume

Putative personal flag of Grand Duke Guillaume - Image by Olivier Touzeau, 21 August 2025

Grand Duke Henri announced in his Christmas message his intention to abdicate in favour of Hereditary Grand Duke Guillaume on 3 October 2025.

Zoltan Horváth, 18 May 2024

According to histoireroyales.fr website [article: "The future Grand Duke Guillaume unveils his new monogram"],
"Luxembourg graphic designer Yolande Kaiser was chosen to create this monogram. The monogram, also called a cypher, incorporates the initial of the sovereign's first name. It may or may not include the numbering
of the reign. It is not yet known whether the future head of state will be known as Grand Duke William V or simply as Grand Duke William. Grand Duke William IV, his great-great-grandfather, reigned from 1905 to 1912. The monogram does not include any numbering. For the occasion, the Grand Ducal crown, which surmounts the mirrored Gs, has also been redesigned. "Designed according to the principles of the golden ratio, the monogram subtly widens upwards towards the crown. The outer edges of the crown and the double G align perfectly, reflecting a concern for geometric harmony," explains the Grand Duke's House. In a few months, this monogram will replace the letter H, which has appeared for 25 years on the uniforms of police, customs officers, and prison officers."

Olivier Touzeau, 21 August 2025