Facing the German invasion in 10 May 1940 during
World War II, the
Grand Ducal Family of Luxembourg left the country to find refuge in
Portugal, after receiving transit visas from the Portuguese consul
Aristides de Sousa Mendes, in June 1940. They arrived at Vilar Formoso on 23 June 1940. After travelling through Coimbra and Lisbon, the family first stayed in
Cascais, in Casa de Santa Maria, owned by Manuel Espírito Santo, who was then the honorary consul for Luxembourg in Portugal. By July they had moved to Monte Estoril, staying at the Chalet Posser de Andrade. On 10 July 1940, Princess Alix, together with her father
Prince Félix, her siblings,
Heir Prince Jean,
Princess Elisabeth,
Princess Marie Adelaide,
Princess Marie Gabriele and
Prince Charles, the nanny Justine Reinard and the chauffeur Eugène Niclou, along with his wife Joséphine, boarded the
S.S. Trenton headed for New York City. With her sisters, she studied at the Collège Jésus-Marie de Sillery, near Quebec City. ==Marriage and issue==