In the film, Whitney Houston's longtime assistant said the singer told her that cousin Dee Dee Warwick molested her as a child and Whitney's oldest brother also claimed he, too, was molested. In the statement, Cissy Houston says Dee Dee Warwick may have had her "personal challenges," but the idea that she would have molested her children is "overwhelming and unfathomable."
Dee Dee Warwick died in 2008. Whitney Houston died in 2012. The magazine hits newsstands on Friday.
This story has been corrected to show Dionne Warwick is Cissy Houston's niece, not sister.