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
Johanna Beatrix of Dietrichstein aged 51. Johanna Beatrix of Dietrichstein Countess Johanna Beatrix von Dietrichstein (1625 – 26 March 1676), was a German noblewoman, by birth a member of the princely Dietrichstein family and by marriage Princess of Liechtenstein. She was the fifth child and fourth (but third surviving) daughter of Maximilian, 2nd Prince von Dietrichstein zu Nikolsburg, and his first wife Princess Anna Maria, a daughter of Karl I, Prince of Liechtenstein, Duke of Troppau and Jägerndorf. On 4 August 1644 Johanna Beatrix married Karl Eusebius, Prince of Liechtenstein (11 April 1611 – 5 April 1684). They had eleven children: Johanna Beatrix died