Sven "Buttercup" Hansen was an ancestor of Annika Hansen (a.k.a. Seven of Nine). Sven was a 22nd century prize fighter. No other information is known about him. (VOY:"11:59") Retrieved from "https://memory-alpha.fandom.com/wiki/Sven_Hansen?oldid=238482" Categories: Humans Athletes Community content is available under CC-BY-NC unless otherwise noted.