Friz
The surname Friz derives from "Fritz", diminutive of the German name "Friederich" (Frederick), originating from the Old Germanic "Frithurik", composed of the prefix "frithu" ("peace", "friendship": Friede, in German) and the suffix "rikia" ("lord", "prince"), meaning "Lord of Peace", "The One who assures peace". The surname is diffused in the Adige Valley in northern Italy. It's a German surname which established originally in the Region of Trentino on the comune di Garniga (town of Garniga)." "Der Alte Fritz" refers specifically to Frederick the Great.