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
Descendants of Charles III of Spain I (at the death of his great uncle Antonio Farnese); later on in 1734 while Duke of Parma he conquered the Kingdoms of Naples and Sicily and was thus created the "King of Naples and Sicily" due to a personal union; he ruled under the simple name of Charles with no specific numeration even though time has made him "Charles VII of Naples" and "Charles V and Sicily". In Sicily, he was known as Charles III of Sicily and of Jerusalem; using the ordinal one III rather than V for the Sicilian people did not recognise as their sovereign legitimate