Andrew Young, ex-aide to John Edwards, is claiming that the former senator made a sex tape with his former mistress, Rielle Hunter!

Young, who is looking for a book deal, claims that he owns a videotape of Hunter and Edwards sleeping together. Andrew also alleges that Hunter's daughter, Frances Quinn, is the love child of John and Rielle.

Edwards has reportedly been focusing on his family -- spending time with his children and his wife Elizabeth, who has cancer.