Mandela relative killed after World Cup concert By 2010-06-11T04:39:15Z JOHANNESBURG (AP) -- Nelson Mandela's 13-year-old great-granddaughter was killed in a car crash on the way home from a concert in Soweto on the eve of the World Cup, his office said Friday.... © 2010 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.