Eminem Versus Mom
Their feud began in 1999 when Debbie Mathers sued her son, Eminem, for slandering her name. Eminem would diss her is his lyrics such as calling her a drug user, and a horrible, horrible mother. The feud lasted until 2014 when Eminem released a music video for his song Headlights, in which he apologized to her.
//www.rollingstone.com/music/news/eminem-sued-by-his-mom-19990920