Winnie Madikizela-Mandela, the South African anti-apartheid campaigner and former wife of the late President Nelson Mandela, has died at the age of 81.
The family said in a statement that she passed away at the Netcare Milpark Hospital in Johannesburg, South Africa after a long illness, for which she had been in and out of hospital since the start of the year.
"Mrs. Madikizela-Mandela was one of the greatest icons of the struggle against apartheid," the statement said. "She fought valiantly against the apartheid state and sacrificed her life for the freedom of the country."
Her death came as a shock. "None of us had predicted this," a family spokesman told CNN.
Madikizela-Mandela was known as the "Mother of the Nation" because of her struggle against white-minority rule in South Africa.
She was married to Nelson Mandela for 38 years, including the 27 years he was imprisoned on an island near Cape Town.
"She kept the memory of her imprisoned husband Nelson Mandela alive during his years on Robben Island and helped give the struggle for justice in South Africa one its most recognizable faces," the statement said.
The couple were divorced in 1996, two years after Nelson Mandela became South Africa's first black President. They had two daughters together. Nelson Mandela died in 2013.
A longtime stalwart of the ruling African National Congress (ANC) political party, Madikizela-Mandela was a member of South Africa's parliament at the time of her death.
One of the last official visits she received was from the current South African President Cyril Ramaphosa, who went with her to Soweto township last month to encourage people to register to vote in next year's presidential election.
On Monday, Ramaphosa praised Madikizela-Mandela as "an advocate for the dispossessed and the marginalized" and "a voice for the voiceless."
"Even at the darkest moments of our struggle for liberation, Mam' Winnie was an abiding symbol of the desire of our people to be free," Ramaphosa said in a statement. "In the midst of repression, she was a voice of defiance and resistance. In the face of exploitation, she was a champion of justice and equality."
Madikizela-Mandela's family said Monday that it would release details of her memorial and funeral services once these have been finalized.
A link to the outside world
Born in 1936 in what is now known as the Eastern Cape province, Nomzamo Winifred Madikizela was the daughter of a history teacher.
As a young social worker, she married Nelson Mandela in 1958 at the age of 22, and stood by him in the years following his 1964 conviction and life imprisonment sentence for sabotage and conspiracy to overthrow the government.
Madikizela-Mandela led an international campaign calling for his release.
While Nelson Mandela was banned from reading newspapers, his wife was his link to the outside world. Madikizela-Mandela told him of the changes taking place in his homeland and became his often outspoken and controversial public voice.
Nelson Mandela was finally freed in 1990. His defiance of white-minority rule and his long incarceration for fighting against state-sanctioned segregation focused world attention on South Africa's apartheid system, making him the symbol of the struggle to end the practice and bring racial equality to his country.
Outside of Africa, Madikizela-Mandela was known largely because of her ex-husband, but in South Africa she was the mouthpiece and face of the bitter struggle against the racist regime.
"She refused to be bowed by the imprisonment of her husband, the perpetual harassment of her family by security forces, detentions, bannings and banishment," said Archbishop Desmond Tutu in a statement. "Her courageous defiance was deeply inspirational to me, and to generations of activists."
A controversial legacy
Although Madikizela-Mandela, who suffered from diabetes, helped usher in a new, more equitable South African political system during her lifetime, she was also entangled in a number of scandals over the years.
In December 1988, her bodyguards, known as the Mandela United Football Club, kidnapped four boys belonging to another anti-apartheid party. One of them, Stompie Moeketsi, was murdered a few days later.
In May 1991 she was sentenced to six years in prison for kidnapping in relation to the incident, but the sentence was later reduced to a fine.
Madikizela-Mandela bounced back and in 1993 was elected president of the ANC's women's league. In 1994, when her then-husband became President, she was elected to parliament and became deputy arts and science minister in the country's first multi-racial government.
Ever the feisty campaigner, Madikizela-Mandela continued to provoke controversy with her attacks on the government and her strident appeals to radical young black followers.
She was expelled from her husband's cabinet a year later.
Madikizela-Mandela was reelected for a second parliamentary term in 1999 but resigned four years later after she was convicted of fraudulently taking out bank loans and theft -- the loans were used to help poor people.
Her conviction for theft was overturned a year later because she had not recognized any personal gain from her actions.
South Africa's Truth and Reconciliation Commission also accused her of human rights abuses during the apartheid years.
Something of a firebrand, she continued to clash with successive ANC presidents in and out of parliament for the rest of her life.
Tributes to Madikizela-Mandela
Madikizela-Mandela was also close to Julius Malema, the leader of the left-wing populist Economic Freedom Fighters opposition party. He made his tribute on Twitter with a simple black frame and crying emojis.
In 2011, Madikizela-Mandela was the subject of a Hollywood biopic starring Oscar-winning actress Jennifer Hudson, along with an opera that premiered in Pretoria, South Africa. She did not like the film.
"I was not consulted," she told CNN in June that year. "I am still alive, and I think that it is a total disrespect to come to South Africa, make a movie about my struggle, and call that movie some translation of a romantic life of Winnie Mandela."
The 2017 British documentary "Winnie" painted a more realistic portrait of her. As the tributes continued to roll in Monday, one of the most tweeted was from the British actor Idris Elba.
"Rest in peace Mama Winnie. My heart is heavy right now," the actor wrote. You lived a full and important life contributing to the liberation of a nation by force and ACTUAL ACTIVISM. You will never be forgotten."
South Africa's parliament said it was "shocked and saddened" by Madikizela-Mandela's death.
"Today we have indeed lost a great leader, a champion of freedom and development, a people's hero, and a Mother, and a defender of the down-trodden," it said in statement Monday. "May her soul rest in peace."
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