What music producer has Danielle Riley Keough's mother been married to?
Riley Keough: Danielle Riley Keough ( ; born May 29, 1989) is an American actress and producer. Riley Keough:  She is the daughter of singer-songwriter Lisa Marie Presley with Danny Keough, and the eldest grandchild of Elvis and Priscilla Presley. Riley Keough:  From 1994 to 1996 Michael Jackson was her stepfather. Lisa Marie Presley:  Presley has been married four times, including to singer Michael Jackson and actor Nicolas Cage, before marrying music producer Michael Lockwood, father of her twin girls.
Michael Lockwood