Which one of the original members was born in U.S.
Girls' Generation:  Originally a nine-piece group (with Jessica, who later departed from the group in September 2014), Girls' Generation debuted in 2007 with their Korean eponymous debut album. Jessica Jung: Jessica Jung (born April 18, 1989), known professionally as Jessica, is an American singer, songwriter, actress, model, fashion designer, and businesswoman currently based in South Korea.
Jessica Jung