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 | | Frederick William IV Frederick William IV, 1795-1861, king of Prussia (1840-61), son and successor of Frederick William III. |
 | | Frederick William III Frederick William III, 1770-1840, king of Prussia (1797-1840), son and successor of Frederick William II. |
 | | William I William I, 1797-1888, emperor of Germany (1871-88) and king of Prussia (1861-88), second son of the future King Frederick William III of Prussia and Louise of Mecklenburg. |
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