"[Rebbie feels] Michael would spin in his grave if he knew his kids would be on this show," the source told Us.
While Janet Jackson reportedly has no problems with the kids' involvements, the source told Us that Jackson family matriarch Katherine -- who has custody of her late son's children -- "is just going along with things."
A&E began developing a one-hour special that would follow Randy, Jackie, Tito, Jermaine, Marlon and Michael Jackson as they prepared a new album and reunion tour earlier this year. It was reportedly intended to air as a "backdoor pilot" for a potential reality series.
DISCUSS AND COMMENT ON THIS STORY Reality TV World now offers Facebook Comments on our stories. To post a comment, log into Facebook and then 'Add' your comment. To report spam or abuse, click the 'X' in the upper right corner of the comment box. Get more Reality TV World! Follow us on Twitter, like us on Facebook or add our RSS feed.