The Grand Ducal Family

H.R.H. Princess Claire

Born on

21 March 1985

at Filderstadt, Germany

Portrait de la Princesse Claire
© Helmut Fricke


Her Royal Highness Princess Claire of Luxembourg, born Claire Margareta Lademacher, is the second child of Hartmut and Gabriele Lademacher. Claire has an older brother, Félix Lademacher. She spent her childhood with her family in Usingen (district of the Hoher Taunus, Germany).

La Princesse Claire assiste au Marathon Indoor Cycling organisé par Luxembourg Transplant
© Cour grand-ducale / Sophie Margue

Princess Claire attends the Indoor Cycling Marathon organised by Luxembourg Transplant

In December 2012, the Office of the Marshal of the Court announces the engagement of Prince Félix and Claire Lademacher. Their wedding takes place on 21 September 2013 in the Basilica of Sainte Marie-Madeleine de Saint-Maximin-la-Sainte-Baume in France. Upon her wedding, she received the title of 'Her Royal Highness Princess Claire of Luxembourg, Princess of Nassau'.

Portrait du Prince Félix et de la Princesse Claire lors de leurs fiançailles
© Cour grand-ducale / Christian Aschman

Portrait of Prince Félix and Princess Claire at their engagement ceremony

Princess Claire and Prince Félix are parents to a daughter and two sons: Princess Amalia Gabriela Maria Teresa, born on June 15, 2014, at the Maternité Grande-Duchesse Charlotte in Luxembourg; Prince Liam Henri Hartmut, born on November 28, 2016, at the Clinique Générale-Beaulieu in Geneva; and Prince Balthazar Félix Karl, born on January 7, 2024, at the Maternité Grande-Duchesse Charlotte in Luxembourg.

Célébration du baptême de Son Altesse Royale le Prince Liam
© Cour grand-ducale / Lola Velasco

Baptism of His Royal Highness Prince Liam

Education and Work

After completing her primary school education in Germany, Princess Claire and her family moved to Atlanta (USA), where she attended the Atlanta International School. In addition to German, her native language, Princess Claire speaks English, French and Italian.

In 1999, the Lademacher family returned to Germany. Princess Claire then attended the Frankfurt International School before spending two years at the boarding school of the Collège Alpin Beau Soleil in Switzerland, where she met Prince Félix. In 2003, she obtained the English A-Levels diploma with honours (Prize of Excellency).

Princess Claire studied International Communications at the American University of Paris, where she graduated in 2007.

© Private collection

Princess Claire in Washington D.C.

She gained some first-hand work experience at the Condé Nast publishing house in New York and Munich, before working at IMG World in Berlin.

In 2009, after obtaining a Master's degree in Bioethics with summa cum laude at the Ateneo Pontificio Regina Apostolorum University in Rome, Princess Claire wanted to deepen her knowledge and enrolled in doctoral studies in the same field. Simultaneously, she worked for the UNESCO Chair of Bioethics and Human Rights. In order to obtain her PhD, Princess Claire presented her thesis on the ethical aspects of consent to organ donation in Rome. As part of the research for her thesis, she was invited as guest researcher at the Kennedy Institute of Ethics at Georgetown University in Washington D.C.

La Princesse Claire lors d'un atelier de la conférence "Stand Speak Rise Up!"
© SIPA Press

Princess Claire at a workshop at the "Stand Speak Rise Up!" conference

Together with her husband, Prince Félix, Princess Claire has been managing the Château les Crostes wine estate in Lorgues since 2013 and she is co-founder of the Young Empire company, a children’s clothing and decorating brand.

Alongside her professional and family commitments, she is still closely following the developments in the field of bioethics. In February 2018, Princess Claire was a visiting professor at the Faculty of Bioethics at the Ateneo Pontificio Regina Apostolorum University in Rome. In March 2018, the Princess attended the Ethics in Action ('Modern Slavery, Human Trafficking, and Access to Justice for the Poor and Vulnerable') conference at the Pontificia Academia Scientiarum of the Vatican.

In March 2019, she was a speaker in the panel discussion on the inclusion of children born of rape at the Stand Speak Rise Up! conference organised at the initiative of H.R.H. the Grand Duchess.

Official activities

Princess Claire takes part in a number of ceremonies and official activities such as the National Day or the traditional closing ceremony of the Octave. She also participates in other activities of the Grand Ducal Family.

In line with her academic background, Princess Claire is involved with the association Luxembourg Transplant ASBL, which is under her High Patronage. She regularly attends the World Organ Donation Day in Luxembourg.

Son Altesse Royale la Princesse Claire au Marathon Indoor Cycling à l'occasion de la 9e Journée mondiale du don d’organes
© Paul Foguenne - CHL

Her Royal Highness Princess Claire at the Indoor Cycling Marathon on the occasion of the 9th World Organ Donation Day

Interests and hobbies

Inspired by her parents, Princess Claire has always shown an interest in social and cultural issues. She has managed to combine her extensive travels with an involvement in humanitarian projects, for example in Tiruppur, India.

Princess Claire is a voracious reader who loves autobiographies. She also practices yoga, pilates and plays badminton. She has been passionate about photography since her teenage years, with a particular emphasis on nature.

Since August 2018, Princess Claire lives in Frankfurt/Main (Germany) with her husband and their two children. She enjoys baking and drawing with her children. Being very committed to her children's education, she helps them discover the joy of learning and understanding the world.

Le Prince Félix et la Princesse Claire participent au 72e Bazar de la Croix-Rouge luxembourgeoise
© Cour grand-ducale / Sophie Margue

Prince Félix and Princess Claire participate in the 72nd Bazaar of the Luxembourg Red Cross

Pictures of Princess Claire

Portrait of Princess Claire © Anne du Chastel

Portrait of Princess Claire

Prince Félix, Princess Claire and Princess Amalia © Private collection

Prince Félix, Princess Claire and Princess Amalia

Prince Félix and Princess Claire at their religious wedding in 2013 © Cour grand-ducale / Guy Wolff

Prince Félix and Princess Claire at their religious wedding in 2013

Princess Claire supports the World Organ Donor Day © Cour grand-ducale / Sophie Margue

Princess Claire supports the World Organ Donor Day

Prince Félix and Princess Claire on the National Day in 2016 © SIP / Charles Caratini

Prince Félix and Princess Claire on the National Day in 2016


Biographies of the members of the Grand Ducal Family

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Activities of Princess Claire