Mandela married Evelyn Ntoko Mase in October 1944. They had two children. Mandela remained married to Evelyn until they divorced in 1957. Evelyn died in 2004. He then married Winnie Madikizela in 1958. They had two daughters. The couple filed for separation in 1992. They divorced in 1996. Mandela married again to Graça Machel, on his 80th birthday in 1998. She was the widow of Samora Machel. Machel was the former Mozambican president and ANC ally who was killed in an air crash 12 years earlier.