Zoleka Mandela, granddaughter of the South African martyr and its first democratically elected president, died on Sept. 25 after an 11-year battle with cancer. She was 43. | Special to The Post Zoleka Mandela, granddaughter of the South African martyr and its first democratically elected president, died on Sept. 25 after an 11-year battle with cancer. She was 43. Mandela spent her last years raising awareness about cancer prevention, providing details about her treatment for the disease that had begun with a diagnosis