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
Beatrix of Brandenburg to the so-called "North German Margrave War". Mecklenburg won and under the terms of the Treaty of Templin of 1317, Stargard definitively became part of Mecklenburg. Beatrix of Brandenburg Beatrix of Brandenburg (died: 22 September 1314 in Wismar) was the first wife of Lord Henry II "the Lion" of Mecklenburg (1266-1329), whom she married in 1292 at Stargard Castle. Beatrix was the daughter of Margrave Albert III of Brandenburg and his wife, Matilda of Denmark. Their wedding in 1292 is historically significant because Beatrix brought the Lordship of Stargard as dowry into the marriage and thus into the hands of