Nicole Richie Children2 ParentsLionel Richie (adoptive father) Brenda Harvey Richie (adoptive mother) Peter Michael Escovedo (biological father) Karen Moss (biological mother) RelativesSofia Richie (adoptive sister) Sheila E. (biological aunt) Benji Madden (brother-in-law) Cameron Diaz (sister-in-law) 6 more rows