A real German beer would not end in "-brau," with no umlaut, an Americanized version of the word "bräu," which is the German word for "beer," "brew," or "brewery."
A real German would pronounce "bräu," the German word for "beer," "brew," or "brewery" as "Broy," because of the umlaut. "Brau" with no umlaut is an Americanized version of the word.