Günzburg is a surname of Swabian origin. Ginsberg, Ginsburg, Gensburg, Ginsburgh, Ginzberg, Ginzborg, and Ginzburg are variants of the surname. . History. The Günzburg (Cyrillic: Гинзбург Ginzburg, Гинцбург Gintsburg; . Yiddish: גינזבורג Ginzburg, גינצבורג Gintsburg) family originated in the town of Günzburg, Bavaria. It is believed that the family went there from the city of Ulm, Württemberg, and that for this reason the best-known progenitor of the family and some of his immediate descendants, as well as certain others, called themselves "Ulma-Günzburg".
https://en.wikipedia.org/wiki/G%C3%BCnzburg_(surname)