People.com Celebrity Parents Rapper Paul Wall and son backstage at M.I.A. show By Staff Author Published on January 10, 2008 05:00 AM Share Tweet Pin Email Rapper and DJ Paul Wall, 26, and his son William Patrick Slayton, 20 months, were backstage recently at a M.I.A. show. Mom is Paul’s wife Crystal. Source: M.I.A.’s MySpace Page Thanks to CBB reader Megan.