Kieffer had an on again off again Relationship with Jenelle Evans for a number of years. He is originally from New Jersey. Kieffer was viewed by Jenelle's mother, Barbara as a bad influence as most of Jenelle's legal troubles began when the pair started dating. He has been in physical altercations with Jenelle, and eventually introduced her to heroin, to which she became addicted.
- January 10, 2018: Delp was arrested when police allegedly discovered a meth lab in his basement apartment in McKees Rocks, Pennsylvania.