Melomed in Richards Bay confirmed that Ngubane, 79, passed away at 1.40 am today after being admitted and treated for Covid-19.
The Mabuza children Lwazi, Sakhiwo and Mbali shared fond memories of their father.
McKinsey says it never did any work with Trillian but subcontracted part of its work to Regiments.
The power utility continues to implement higher stages of power cuts across the country.
Mr Ramaphosa expressed these sentiments on Monday in his weekly newsletter.
Mr Koko was testifying before the state capture commission of inquiry on Wednesday.
Braamfontein building will enable the department to respond to the accommodation needs of university students in Johannesburg.