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
Charles William, Prince of Nassau-Usingen Charles William, Prince of Nassau-Usingen Charles William (9 November 1735 in Usingen – 17 May 1803) was Prince of Nassau-Usingen from 1775 until his death. From 1797 until his death, he was also titular Prince of Nassau-Saarbrücken, however, Nassau-Saarbrücken was occupied by France during that period. He was the eldest son of Prince Charles of Nassau-Usingen and his wife, Christina Wilhelmina, the daughter of Duke John William III of Saxe-Eisenach. In 1770, Charles William became Lieutenant-General in the Dutch army. In 1789, he was promoted to general and in 1790 to colonel of the Walloon regiment and captain of the