Princess Claire of Luxembourg

In February 2018, Princess Claire visit faculty of bioethics of Pontifical Athenaeum Regina Apostolorum in Rome, Italy. In March 2018, the Princess participated in the Conference of Ethics in Action of the Vatican’s Pontificia Academia Scientiarum.

Upon her marriage, Claire became a Princess of Luxembourg with the style of Royal Highness. Since the wedding, the couple has been living in the south of France at the Château Les Crostes, a winery in Lorgues that has been owned by the Lademacher family for many years. As of 2017, the family lives in Geneva, Switzerland.

The couple have two children, Princess Amalia and Prince Liam of Nassau, born in 2014 and 2016 respectively.

On 13 December, the grand ducal household confirmed that Lademacher was engaged to marry Prince Felix. Lademacher was presented to the press at the Château de Berg on 27 December. The civil wedding took place on 17 September 2013 in Königstein im Taunus, Germany, it being customary that weddings take place in the bride's place of residence. A religious ceremony followed on 21 September at the Sainte Marie-Madeleine Basilica in Saint-Maximin-la-Sainte-Baume, France.

Princess Claire's full title since her marriage on 17 September 2013 is: "Her Royal Highness Princess Claire of Luxembourg, Princess of Nassau, Princess of Bourbon-Parma".

Having obtained her undergraduate degree, Lademacher worked in publishing for Condé Nast Publications in New York City and Munich. While an employee of Condé Nast Publications, she made the decision to pursue a career in academic bioethics. She proceeded to obtain a master's degree in bioethics at the Pontifical Athenaeum Regina Apostolorum, receiving it with the distinction summa cum laude. At the same time, she was working for the UNESCO Chair of Bioethics and Human Rights, concerning herself primarily with research, event coordination and communications. In 2012, Lademacher was in Rome, preparing a doctorate in the field of organ donation ethics at Regina Apostolorum. The subject of her dissertation is the bioethical evaluation of consent for organ donation. The dissertation focuses on the situations in Germany, Austria, and the United States. For several months in the fall of 2012, she was a visiting scholar at the Kennedy Institute of Ethics at Georgetown University.

Lademacher met Prince Félix of Luxembourg while studying at Collège Alpin International Beau Soleil. The couple attended the wedding of Prince Félix's cousin, Archduke Imre of Austria, in Washington, D.C., in September 2012. In October, they attended the wedding of his older brother Hereditary Grand Duke Guillaume and Countess Stéphanie de Lannoy, but were not allowed to sit together at the ceremony.

Princess Claire of Luxembourg (née Claire Margareta Lademacher; born 21 March 1985) is a German bioethics researcher currently pursuing a doctorate in the field of organ donation ethics at Pontifical Athenaeum Regina Apostolorum. She is married to Prince Felix, who is third in the line of succession to the Luxembourgish throne.

Claire was born on 21 March 1985 in Filderstadt, Germany. She is the second child of Gabriele and Hartmut Lademacher. Her father, founder of LHS Telekommunikation and owner of castles in Croatia and Saint-Tropez, began his career at IBM and amassed an estimated €600 million by investing in the software industry. Claire and her older brother, Felix, grew up in Usingen. At the age of 11, Lademacher moved with her family to Atlanta, and was enrolled in Atlanta International School. The family returned to Germany in 1999 and from then on, Lademacher attended Frankfurt International School, before enrolling in Collège Alpin International Beau Soleil in Switzerland. In 2003, she began studying international communication at the American University of Paris. She married Prince Félix, second in the line of succession to the throne of Luxembourg, on 17 September 2013, and then again in a religious ceremony on 21 September 2013.