(FILES) In this file photo taken on December 14, 2013 The ex-wife of Nelson Mandela, Winnie Mandela Madikizela, attends a Farewell Service for South African former president Nelson Mandela at the Waterkloof air force base in Pretoria before the departure of Mandela's coffin to Qunu where he will be buried the day after. Winnie Mandela, the ex-wife of South African anti-apartheid fighter and former president Nelson Mandela, died on April 2, 2018 in a Johannesburg hospital after a long illness at the age of 81, her spokesman Victor Dlamini said in a statement. / AFP PHOTO / STEPHANE DE SAKUTIN