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| | William Douglas, 12th Duke of Hamilton |
 | | Mother: Maria Amelia Elizabeth Princess of Baden, dau of Karl Ludwig Friedrich Zähring Grand Duke of Baden |
 | | grandson of Admiral Charles Douglas-Hamilton, third son of Lord Anne Douglas-Hamilton, 3rd son of James, 4th Duke of Hamilton. |
 | | The title of duke of Châtellerault, granted to his remote ancestor in 1548, and claimed at different times by various branches of the Hamilton family, was conferred on the 11th duke's son, William Alexander, 12th duke of Hamilton (1845-1895), by the emperor of the French in 1864. |
| www.blae.net /douglas/william12thdukehamilton.htm |
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