Complex sentence: Levin has been married three times and is the father of three children, one of whom, Jonathan, a 31-year-old high school English teacher, was murdered on May 31,1997, by one of his own students.
Split into simpler sentences: Levin has been married three times and is the father of three children. One of his children, Jonathan Levin, a 31-year-old high school English teacher, was murdered on May 31,1997, by one of his own students.