Charles III William, Margrave of Baden-Durlach on 27 January, rather than on the 28th (which would correspond to the 17th on the Julian Calendar). Because his son Frederick of Baden-Durlach had died while Charles William was still alive, his grandson Charles Frederick became his successor. Since he was only 10 years old, a regency had to be established under the legal guardianship of Charles August of Baden-Durlach. On 27 June 1697, Charles III William married Magdalena Wilhelmine of Württemberg (7 November 1677 – 30 October 1742), the daughter of Wilhelm Ludwig, Duke of Württemberg. The following children were born from this marriage: Charles William was known
William I of Guelders and Jülich William I of Guelders and Jülich William I of Guelders and Jülich KG (5 March 1364 – 16 February 1402, Arnhem) was Duke of Guelders, as William I, from 1377 and Duke of Jülich, as William III, from 1393. William was known for his military activities, participating in the Prussian crusade five times and battling with neighbors in France and Brabant throughout his rule. His allies included Holy Roman Emperors, Charles IV and Wenceslaus, Richard II of England, and Conrad Zöllner von Rothenstein, the Grand Master of the Teutonic Knights. During his reign the duchies of Guelders and Jülich were