Rock stars and their parents

Frank Zappa with parents Francis and Rosemary in Frank's home. Los Angeles, California, 1970 Photograph: John Olson/Time & Life Pictures

The Jackson Five (clockwise L-R): Jackie, parents Joe and Katherine, Marion, Tito, Jermaine, and Michael in their backyard. Encino, California 1970 Photograph: John Olson/Time & Life Pictures

Ginger Baker, drummer with rock band Cream, posing with his mother, Ruby Streatfield, outside her home, 1971 Photograph: John Olson/Time & Life Pictures

Singer David Crosby with his father Floyd at his house. Ojai, California, 1970 Photograph: John Olson/Getty Images

Elton John with his mother Sheila and stepfather Fred Fairebrother at their home. London 1971 Photograph: John Olson/Time & Life Pictures

Donovan with his parents in their home 1971 Photograph: John Olson/Time & Life Pictures

Joe Cocker sits with his mother Marjorie. Sheffield, England, 1970 Photograph: John Olson/Time & Life Pictures

Singer Grace Slick holding her daughter, China, upside down by the ankles, with her mother, Virginia Wing, sitting on the sofa. 1970 Photograph: John Olson/Time & Life Pictures

Musician Ritchie Havens with his parents Richard and Mildred at their home in East Flatbush. Brooklyn, NY, 1971 Photograph: John Olson/Time & Life Pictures

Rock musician Eric Clapton with his grandmother Rose Clapp, who raised him. Surrey, 1971 Photograph: John Olson/Time & Life Pictures