Duke University | Duke Ellington | Duke | Duke of Wellington | 3rd Rock from the Sun | Prince William, Duke of Cambridge | Duke of York | Maximilian I, Holy Roman Emperor | Ludwig Maximilian University of Munich | Joséphine de Beauharnais | Duke of Norfolk | Duke of Edinburgh | Duke of Burgundy | Maximilian I of Mexico | Prince Arthur, Duke of Connaught and Strathearn | Maximilian I | George Villiers, 1st Duke of Buckingham | South Carolina's 3rd congressional district | Prince Andrew, Duke of York | Robert Gascoyne-Cecil, 3rd Marquess of Salisbury | Duke of Northumberland | Alfred, Duke of Saxe-Coburg and Gotha | Prince Richard, Duke of Gloucester | Prince Frederick, Duke of York and Albany | George Duke | Charles Lennox, 2nd Duke of Richmond | Michigan's 3rd congressional district | Thomas Fairfax, 3rd Lord Fairfax of Cameron | Louis Philippe II, Duke of Orléans | Edward Seymour, 1st Duke of Somerset |
On 12 May 1879, Therese married George Maximilianovich, 6th Duke of Leuchtenberg (1852–1912), youngest son of Maximilian de Beauharnais, 3rd Duke of Leuchtenberg and his wife Grand Duchess Maria Nikolaevna of Russia.
The title came with the effective administration of the Principality of Eichstätt.
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Through his oldest surviving daughter Princess Maria Maximilianovna of Leuchtenberg (1841–1914), he is the grandfather of Prince Maximilian of Baden (1867–1929), Chancellor of Germany during World War I.