Jacob Zuma ex-wife was accused of being behind the alleged poisoning in 2014 along with foreign intelligence agencies.
President Zuma’s second wife Nompumelelo Ntuli-Zuma is accused of attempting to murder her husband.
The Sunday Times says Jacob Zuma’s wife Ntuli-Zuma was part of those that benefited from the tender.
Bongi Ngema-Zuma has defended recent allegations against Nompumelelo Ntuli-Zuma.
Sunday Times says it spoke to her through her lawyer who said she was kicked out of Nkandla in January.
The paper said Nompumelelo Ntuli-Zuma confessed to knowing about a plot to use her to access Jacob Zuma.
Rumours that President Jacob Zuma had been poisoned first surfaced in the 'Sunday Times' in June.
Attorneys representing Nompumelelo Ntuli-Zuma denied she was part of any plot to poison Jacob Zuma.
Ntuli-Zuma was first suspected when the president became ill in June 2014.
Three of the president's children and their cousin were injured in a crash in Pietermaritzburg on Friday.
Concerns have been raised about more stories emerging from the president’s personal life.
The State Security Minister has rejected claims that the president was poisoned by one of his wives.
