Which famous person is the sister of the singer who released "Piece of My Heart" and "Gotta Find Me a Lover"?
Erma Franklin Erma Vernice Franklin (March 13, 1938 – September 7, 2002) was an American gospel and R&B singer. Franklin was the elder sister of American singer/musician Aretha Franklin. Franklin's best known recording was the original version of "Piece of My Heart", written and produced by Bert Berns, and recorded in 1967, for which she was nominated for a Grammy Award. A cover version of the same song was recorded the following year by Big Brother and the Holding Company, with the lead vocal by Janis Joplin.
Louise Redknapp Louise Elizabeth Redknapp (née Nurding, born 4 November 1974), professionally known as Louise, is an English singer and media personality. She was a member of Eternal, an R&B girl group which debuted in 1993 with their quadruple-platinum studio album "Always & Forever". In 1995, Redknapp departed the group for a solo career, in which she released the platinum-selling albums "Naked" (1996), "Woman In Me" (1997) and "Elbow Beach" (2000). Redknapp has sold over 15 million records in her home country, the United Kingdom.