Complex sentence: After moving into the home of Lisa Lambert, Teena began dating her friend 19-year-old Lana Tisdel, and began associating with ex-convicts John Lotter and Marvin "Tom" Nissen.
Split into simpler sentences: After moving into the home of Lisa Lambert, Teena began dating one of Lambert's friends, Lana Tisdel. He also began associating with ex-convicts John Lotter and Marvin "Tom" Nissen.