Claire was born on 21 March 1985 in
Filderstadt, West Germany (in present-day Germany). She is the second child of Gabriele Lademacher (née Schneider) and
Hartmut Lademacher. Claire and her older brother, Felix, spent their childhood 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. She obtained the English A-Levels diploma with honours (Prize of Excellency). In 2003, she began studying
international communication at the
American University of Paris and graduated in 2007. 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. In February 2018, Princess Claire became a visiting professor at the Faculty of Bioethics at the Ateneo Pontificio Regina Apostolorum University in
Rome. In addition to her native
German, Lademacher speaks
English,
French, and
Italian. == Personal life ==