Princess Tatiana Petrovna Galitzine (born 16 August 1984) is an American-born architectural designer and UNICEF activist.
Her mother, the daughter of Archduke Rudolf of Austria and Countess Xenia Czernichev-Besobrasov, is a member of the House of Habsburg-Lorraine.
[1] Princess Tatiana is a great-granddaughter of Charles I and Zita of Bourbon-Parma, the last Emperor and Empress of Austria.
[4] She grew up in Luxembourg, Russia, and the United States and earned degrees in architecture and engineering from the Technical University of Munich.
[5][6] Princess Tatiana married Guillermo Sierra y Uribe, a Mexican-American investment banker, on 29 April 2017 in a Russian Orthodox ceremony at the Colegio de San Ignacio de Loyola Vizcaínas in Mexico City.