Question: What highest Nazi award did Karl-Heinrich Brenner earn?
Sentence (from "Knight's Cross of the Iron Cross"): The Knight's Cross of the Iron Cross (German: "Ritterkreuz des Eisernen Kreuzes" ), or simply the Knight's Cross ("Ritterkreuz "), and its variants were the highest awards in the military and paramilitary forces of Nazi Germany during World War II.
Relevant evidence: Yes