Alaina Marie Mathers Bio, Wiki, Age, Family and Boyfreind Alaina Marie Mathers is the adopted daughter of Eminem. He is a popular rapper, songwriter and record producer. Mathers was the daughter of Dawn Scott the sister in law of Eminem. Therefore she is the niece of Eminem. Later when Mather’s mother died he adopted her and is raising her as his daughter. Read More -: https://www.gudstory.com/alaina-marie-mathers/