Original: The Knight 's Cross of the Iron Cross ( German language : Ritterkreuz des Eisernen Kreuzes , often simply Ritterkreuz ) was a grade of the 1939 version of the 1813 created Iron Cross ( Eisernes Kreuz ) .
Simplified: The Knight 's Cross of the Iron Cross ( German language : Ritterkreuz des Eisernen Kreuzes , often just Ritterkreuz ) was a level of the Iron Cross .