The Staple Singers were an American gospel, soul and R&B singing group. Roebuck "Pops" Staples (1914–2000), the patriarch of the family, formed the group with his children Cleotha (1934–2013), Pervis (b. 1935), and Mavis (b. 1939). Yvonne (b. 1936) replaced her brother Pervis when he was drafted into the U.S. Army, and again in 1970.