Karl Marx | Duke University | Duke Ellington | Duke | Duke of Wellington | Prince William, Duke of Cambridge | Duke of York | Duke of Norfolk | Duke of Edinburgh | Duke of Burgundy | Prince Arthur, Duke of Connaught and Strathearn | Karl Pilkington | Karl Lagerfeld | George Villiers, 1st Duke of Buckingham | Prince Andrew, Duke of York | Duke of Northumberland | Alfred, Duke of Saxe-Coburg and Gotha | Prince Richard, Duke of Gloucester | Prince Frederick, Duke of York and Albany | Karl G. Heider | George Duke | Charles Lennox, 2nd Duke of Richmond | Karl Rove | Karl Pearson | Karl May | Karl Liebknecht | Karl Friedrich Schinkel | Karl Dönitz | Karl Jenkins | Louis Philippe II, Duke of Orléans |
Wilhelm was the son of Duke Wilhelm of Württemberg (1761-1830) and his morganatic wife, Baroness (Freiin) Wilhelmine von Tunderfeldt-Rhodis (1777-1822), whom he married at Coswig on 23 August 1800.
On 20 June 1940 Karl Gero von Urach married Countess Gabriele of Waldburg zu Zeil und Trauchburg (1910–2005).
Karl Gero, Duke of Urach (1899–1981), 3rd Duke, who married Countess Gabriele of Waldburg-Zeil (1910–2005).