The Lennon Sisters are an American singing group initially consisting of four siblings: Dianne (born December 1, 1939), Peggy (born April 8, 1941), Kathy (born August 2, 1943), and Janet (born June 15, 1946). They were all born in Los Angeles, California of German/Irish and Mexican ancestry. The group were a regular on the weekly television show, The Lawrence Welk Show. The original quartet were the eldest four in a family of twelve siblings. In 1992, younger sister Mimi replaced second sister Peggy who retired. Sister Dianne (DeeDee) has also retired. The current group line-up, appearing mostly at Welk resorts, consists of Mimi, Janet and Kathy.