I think it was Gustav Wennerberg that brought the name to "fame". He was a "Renaissance Man" in Sweden in the 1800's. My grandfather, August Wennerberg, left Sweden around the early 1910's to come to America, where he was an electrical engineer at Western Electric for his career. He was from Malmo. My grandmother, Margaretha Andreasson (with one "s" or two -- your choice) was from Gothenburg, came to America about the same time as Augie, to be a masseuse. She and he met and married in the Swedish area of Chicago.
Not many people recognize the Wennerberg as Swede -- more commonly I'm asked if the name is German. Thanks.