Nicholas II of Russia last ethnically Russian ancestor being Grand Duchess Anna Petrovna of Russia (1708–1728), daughter of Peter the Great. Nicholas was related to several monarchs in Europe. His mother's siblings included Kings Frederick VIII of Denmark and George I of Greece, as well as the United Kingdom's Queen Alexandra (consort of King Edward VII). Nicholas, his wife Alexandra, and German Emperor Wilhelm II were all first cousins of King George V of the United Kingdom. Nicholas was also a first cousin of both King Haakon VII and Queen Maud of Norway, as well as King Christian X of Denmark and King Constantine
Kaiser Friedrich III-class battleship Karl der Grosse" and "Kaiser Wilhelm II" were equipped with two of the 3-bladed screws on the outer shafts and a four-bladed screw that was in diameter on the center shaft. "Kaiser Friedrich III" had four Thornycroft and eight cylindrical boilers; "Kaiser Wilhelm II" had a similar arrangement, except the Thornycroft boilers were replaced by Marine-type boilers. "Kaiser Wilhelm der Grosse" was equipped with four Marine and six cylindrical boilers, while "Kaiser Barbarossa" had four Thornycroft and six cylindrical boilers. "Kaiser Karl der Grosse" had two Marine boilers, two Marine double boilers, and six cylindrical boilers. The powerplants were rated