Wilhelm I 19th-century German Emperor and King of Prussia (1797–1888) (1797–1888) Parents Louise of Mecklenburg-Strelitz Frederick William III of Prussia Children Princess Louise of Prussia Frederick III, German Emperor Agnes Dettman Siblings Prince Albert of Prussia Frederick William IV of Prussia Alexandra Feodorovna (Charlotte of Prussia) Prince Charles of Prussia Princess Frederica of Prussia Prince Ferdinand of Prussia Princess Louise of Prussia Princess Alexandrine of Prussia Partners Elisa Radziwill Augusta of Saxe-Weimar-Eisenach
