Charles III William, Margrave of Baden-Durlach Charles III William, Margrave of Baden-Durlach Charles III William (; Durlach, – 12 May 1738, Karlsruhe) was Margrave of Baden-Durlach between 1709 and 1738. He was the son of Margrave Frederick Magnus of Baden-Durlach and Augusta Maria of Schleswig-Holstein-Gottorp. In 1715, he established Karlsruhe ("Charles' repose"), where he built his residence. Karlsruhe has since grown to a large city. With the consolidation of public finances and the creation of a reliable administration, he laid the foundations for the reform policies of his grandson, Charles Frederick. Charles William was born in Durlach as the son of Margrave Frederick Magnus of Baden-Durlach
William I, Count of Nassau-Dillenburg William I, Count of Nassau-Dillenburg William I, Count of Nassau-Dillenburg (nicknamed "William the Rich", ; 10 April 1487 – 6 October 1559) was a count of Nassau-Dillenburg from the House of Nassau. His nickname "the Rich" refers to him having many children. However, he owned a number of counties: Nassau-Dillenburg, Nassau-Siegen, Nassau-Dietz and Vianden. William was born in Dillenburg as the younger son of Count John V of Nassau-Dillenburg and Landgravine Elisabeth, daughter of Landgrave Henry III of Hesse-Marburg and Anna of Katzenelnbogen. He was the brother of count Henry III of Nassau-Breda and the father of William I of