by Scott Mehl © Unofficial Royalty 2014
Sibilla Sandra Weiller y Torlonia was born June 12, 1968, in Neuilly-sur-Seine, France, the second child of Paul-Annik Weiller and Doña Olimpia Torlonia di Civitella-Cesi. Her mother is the daughter of Infanta Beatriz of Spain and a first cousin of King Juan Carlos of Spain, both being grandchildren of King Alfonso XIII of Spain and Queen Victoria Eugenie, a granddaughter of Queen Victoria.
Raised in Geneva, Sibilla completed her secondary education at the Institut Florimont, receiving her baccalaureate with honors in economics. She then attended the École du Louvre, in Paris, earning a degree in Art History in 1991, during which time she worked in the restoration department of the Musée des Monuments Français in Versailles. She then moved to London, working in several galleries while continuing her studies in contemporary art. In 1993, she opened her own art gallery. The following year, her engagement was announced by the Grand Ducal Court of Luxembourg.
Sibilla married her distant cousin, Prince Guillaume of Luxembourg. Guillaume is the youngest child of Grand Duke Jean of Luxembourg and Princess Josephine-Charlotte of Belgium. A civil wedding was held on September 8, 1994, in Sélestat, France, followed by a religious ceremony on September 24, 1994, at the Versailles Cathedral (Cathédrale Saint-Louis de Versailles). The couple had four children:
- Prince Paul Louis of Nassau (born 1998)
- Prince Léopold of Nassau (born 2000, twin of Charlotte)
- Princess Charlotte of Nassau (born 2000, twin of Léopold)
- Prince Jean of Nassau (born 2004)
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Prince Guillaume, Princess Sibilla, and their children, at the wedding of Hereditary Grand Duke Guillaume of Luxembourg, 2012
Following her marriage, Princess Sibilla has been involved with many cultural and social associations within Luxembourg and abroad. Along with many others, she served on the purchasing committee of the National Cultural Fund in the late 1990s, with her primary responsibility being the building of the collection for the Grand Duke Jean Museum of Modern Art. Until 2013, she served as International Chairman of the Venetian Heritage Foundation. For many years she has served on the Advisory Board of the Peggy Guggenheim Collection in Venice, Italy, and was appointed President in June 2013. She and her husband live in Luxembourg and are often in attendance at major events in the Grand Duchy, as well as most family functions.
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