Timothy and wife Jonelyn have been trying for years to get back Jocelyn, who allegedly ran off to be with Kelly after meeting him backstage at a concert when she was reportedly only 17.
"I stand behind these women 1000%, believe them, know they are suffering and in pain, and feel strongly that their voices should be heard and taken seriously", Gaga said in her lengthy statement which she shared to Twitter on Wednesday.
The rapper, whose real name is Robert Sylvester Kelly, has denied sexual assault allegations against him.
There has been no official word from the Fulton County District Attorney's Office.
Joycelyn's father claims to have not seen his daughter in over two years, citing R. Kelly as the reason.
Foxx reiterated that there are dedicated professionals who are willing to help the survivors unpack their horrific experiences and urged victims to call the prosecutor's office at 773-674-6492.
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Both said they supported Bernie Sanders in the last presidential primary, and voted for Clinton in the general election. Progressives who wanted to draft Warren to run for president in 2016 kicked off their campaign in the state.
Foxx's plea comes after reports that authorities in Fulton County, Georgia launched a criminal investigation into Kelly, who is alleged to have previously abused and otherwise mistreated women in an Atlanta-area home.
"What I am hearing about the allegation against R Kelly is absolutely horrifying and indefensible".
"There is nothing that can be done to investigate these allegations without the cooperation of both victims and witnesses".
In 2008, a Cook County jury found Kelly not guilty on 14 counts of child pornography charges. She has not, however, been in touch with Kelly.
"There are no underage women, there is no sex cult, it's all some reality TV made up story", Greenberg said.
"No one has ever seen any evidence of it", he said.
Kelly rose from poverty on Chicago's South Side to become a star singer, songwriter and producer.