According to Eyewitness News, an assault case was opened at the Norwood police station by a 41-year-old woman, after the grandson allegedly assaulted her earlier this month.
A police spokesperson told the broadcaster a case has been opened, with the investigation ongoing.
Regarding the grandson's rape case, he was granted bail by the Johannesburg Magistrate's Court on Tuesday.
The 24-year-old man, who may not be named until he has pleaded, was released on R7 000 bail.
He was alleged to have raped a teenage girl at a pub in Greenside, Johannesburg earlier this month.
While the accused has not yet pleaded, he has maintained that he and the complainant had consensual sex.
(File photo: Gallo Images)
Why not take a break from social media?Darren, Keri and Sky an hour ago
What a wonderful gift...Vic Naidoo an hour ago