シーズー
Achter has two siblings, Amanda and Austin. Austin is younger and played baseball and graduated from Ohio State University. His parents are Rod and Cindy. Rod was a wide receiver at the University of Toledo and eventually was drafted by the Minnesota Vikings. A.J. is married to fellow Michigan State Spartan alumnus, Kaiti Nester. They have a purebred Shih Tzu, Izzy Nester-Achter. Izzy is named after Tom Izzo. A.J. and Kaiti live in Brighton, Michigan.