Kim Sook-ja (Sue) Kim Ai-ja (Aija) Kim Min-ja (Mia) The Kim Sisters were a Korean-born American singing trio who made their career in the United States during the 1950s and 1960s. They are known for being the first South Korean music group to achieve success in the U.S. market, and for performing more than 20 times on The Ed Sullivan Show. The group consisted of Sue, Aija and Mia.