Beatrix Wilhelmina Armgard was born to then Princess Juliana and Prince Bernhard of the Netherlands on January 31, 1938, in Soestdijk Palace. She has three sisters: Princesses Irene, Margriet and Christina.
She studied at Leiden University and with European and international organisations before earning a law degree in 1961. She married German diplomat Claus von Amsberg on March 10, 1966. They had three sons: King Willem-Alexander, Prince Friso and Prince Constantijn.
She became Queen of the Netherlands upon the abdication of her mother on April 30, 1980. She, in turn, abdicated in favor of Willem-Alexander on April, 30, 2013. She reverted back to the title of Princess of the Netherlands upon his ascension.
(Photo: Jeroen van der Meyde/RVD)