Beatrix of the Netherlands Athlone; Elisabeth, Princess of Erbach-Schönberg; Duke Adolf Friedrich of Mecklenburg; and Countess Allene de Kotzebue. Beatrix's middle names are the first names of her maternal grandmother, the then reigning Queen Wilhelmina, and her paternal grandmother, Armgard of Sierstorpff-Cramm. When Beatrix was one year old, in 1939, her younger sister Princess Irene was born. World War II broke out in the Netherlands on 10 May 1940 (Westfeldzug). On 13 May, the Dutch Royal Family evacuated to London, United Kingdom. One month later, Beatrix went to Ottawa, Ontario, Canada, with her mother Juliana and her sister Irene, while her father Bernhard and
Archduchess Maria Beatrix of Austria-Este "Conde de Montizón". As he was also the Legitimist claimant to the throne of France from 1883 to 1887, Maria Beatrix was also the titular queen consort of that country to French monarchists who rejected the claims of the Orléanist and Bonapartist pretenders. Maria Beatrix and Juan had two children: Maria Beatrix died in Graz, Styria, then a city in Austria–Hungary, aged 82. Archduchess Maria Beatrix of Austria-Este Archduchess Maria Beatrix of Austria-Este (; 13 February 1824 – 18 March 1906) was the consort of the Carlist pretender, Juan, Count of Montizón and, by birth, a member of the House