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.
Adele Astaire Adele, Lady Charles Cavendish (born Adele Marie Austerlitz; September 10, 1896 – January 25, 1981) was an American dancer, stage actress and singer. She was Fred Astaire's elder sister, and his partner in a 27-year career in vaudeville and theater, beginning when he was five and she was eight.