Beatrix of the Netherlands eldest son, Willem-Alexander, and resumed the title of princess. At the time of her abdication at age 75, Beatrix was the oldest reigning monarch in the country's history. Beatrix was born "Princess Beatrix Wilhelmina Armgard of the Netherlands, Princess of Orange-Nassau, Princess of Lippe-Biesterfeld", on 31 January 1938 at the Soestdijk Palace in Baarn, Netherlands. She is the first child of Princess Juliana of the Netherlands and German aristocrat Prince Bernhard of Lippe-Biesterfeld. Beatrix was baptized on 12 May 1938 in the Great Church in The Hague. Her five godparents were King Leopold III of Belgium; Princess Alice, Countess of
Beatrix of the Netherlands degree from Leiden University. In 1966, Beatrix married Claus von Amsberg, a German diplomat, with whom she had three children. When her mother abdicated on 30 April 1980, Beatrix succeeded her as queen. Beatrix's reign saw the country's Caribbean possessions reshaped with Aruba's secession and becoming its own constituent country within the Kingdom in 1986 as well as the subsequent Antillean Dissolution in 2010, which created the new special municipalities of Bonaire, Sint Eustatius, and Saba, and the two new constituent countries of Curaçao and Sint Maarten. On Koninginnedag ("Queen's Day"), 30 April 2013, Beatrix abdicated in favour of her