Kitty Kelley Talks Oprah's Birth Father on 'Today' (VIDEO)

In her second interview with 'Today' (weekdays, 7AM on NBC), Oprah Winfrey biographer Kitty Kelley claimed to know who the biological father of the talk show queen, but refused to give up the details.

"I spent three days with her Aunt Katherine -- who's really her cousin ... and during that time with her, she told me who Oprah's real father was," Kelley said.

The author claimed that not even Oprah knows who her real father is, but Kelley won't divulge the info. For more on the Oprah unauthorized biography scandal, check out PopEater.com.

Watch the video after the jump.In her second interview with 'Today' (weekdays, 7AM on NBC), Oprah Winfrey biographer Kitty Kelley claimed to know who the biological father of the talk show queen, but refused to give up the details.

"I spent three days with her Aunt Katherine -- who's real her cousin ... and during that time with her, she told me who Oprah's really father was," Kelley said.

The author claimed that not even Oprah knows who her real father is, but Kelley won't divulge the info. For more on the Oprah unauthorized biography scandal, check out PopEater.com.