Early life and first releases Marshall Bruce Mathers III was born in St. Joseph, Missouri, the son of Deborah Mathers-Briggs and Marshall Bruce Mathers, Jr.[11] Shortly after his birth, his father walked out, leaving his son. Until he was twelve, Marshall Mathers and his mother often moved between St. Joseph and Warren, Michigan, a Detroit suburb. As a teenager, Mathers became interested in hip hop, performing amateur raps at age fourteen under the pseudonym "M&M" and joining the group ...