 SMS Markgraf was the third battleship of the four @-@ ship König class . She served in the Imperial German Navy during World War I. The battleship was laid down in November 1911 and launched on 4 June 1913 . She was formally commissioned into the Imperial Navy on 1 October 1914 , just over two months after the outbreak of war in Europe . Markgraf was armed with ten 30 @.@ 5 @-@ centimeter ( 12 @.@ 0 in ) guns in five twin turrets and could steam at a top speed of 21 knots ( 39 km / h ; 24 mph ) . Markgraf was named in honor of the royal family of Baden . The name Markgraf is a rank of German nobility and is equivalent to the English <unk> , or Marquess . 
