Conversation so far:
when did Winnie Madikizela-Mandela die?
Winnie Madikizela-Mandela died at the Netcare Milpark Hospital in Johannesburg on 2 April 2018.
how did she die?
She suffered from diabetes and had recently undergone several major surgeries.
When was her funeral?
Her public funeral service was held at Orlando Stadium on 14 April 2018.
Where was she buried?
After the public service, her body was interred at a cemetery in Fourways in the north of Johannesburg during a private memorial service.
Did she outlive her spouse?
CANNOTANSWER.
Are there any other interesting aspects about this article?
Planning for Madikizela Mandela's funeral was largely handled by her daughters and Julius Malema, and the ANC reportedly had to "fight for space" on the programme.
Why did they have to fight for space?
At the public service, ANC and South African President Cyril Ramaphosa "acknowledged" that the ANC failed to stand by Madikizela-Mandela's side during her legal troubles.

Question: what legal troubles did she have?
Self-contained rewrite: what legal troubles did Winnie Madikzela Mandela have?