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 Hainaut William married Joan of Valois, sister of the future king Philip VI of France, and had the following children: William I, Count of Hainaut William I, Count of Hainaut ( – 7 June 1337), was Count William III of Avesnes, Count William III of Holland and Count William II of Zeeland from 1304 to his death. William, born , was the son of John II, Count of Hainaut, and Philippa of Luxembourg, daughter of Henry V of Luxembourg. He was the brother of John of Beaumont and Alice of Hainault. William was originally not expected to become count. After the