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 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 of Austria-Este which had ruled the Duchy of Modena. She was born in Modena, the youngest daughter of Francis IV of Modena and his niece consort, Maria Beatrice of Savoy. On 6 February 1847 in Modena Maria Beatrix married Infante Juan de Borbón who, as the Carlist claimant to the throne of Spain from 1860 to 1868 became known as "Don" Juan, the