sentences:  The rank listed is the recipient's rank at the time the Knight's Cross or the Oak Leaves were awarded.The Knight's Cross with Oak Leaves and Swords is based on the enactment "Reichsgesetzblatt I S. 613" of 28 September 1941 to reward those servicemen who had already been awarded the Oak Leaves to the Knight's Cross of the Iron Cross.Isoroku Yamamoto was the sole non-German combatant to be honoured with the Swords to the Knight's Cross with Oak Leaves.