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 Berg with the parents. In 1385 Beatrix married the widowed Elector Rupert I von der Pfalz, who had been widowed for 5 years, and who was already 75 years old. Beatrix was the granddaughter of his nephew and successor Rupert II. Elector Rupert I and his second wife Beatrix both resided in Heidelberg, whose university was founded by the Elector, and in Neustadt an der Weinstrasse, where he died in 1390. In the "Allgemeine Deutsche Biographie" it is said about the husband of Beatrix: Even among his contemporaries Rupprecht I stood in high esteem, he was also a respectful figure, knightly