Complex sentence: Friends and family contend Eminem was a happy child but also "a bit of a loner" who often was bullied; one such persecutor, De'Angelo Bailey, beat Eminem so significantly that he suffered a severe head injury.
Split into simpler sentences: Friends and family contend Eminem was a happy child but also "a bit of a loner" who often was bullied. One such persecutor, De'Angelo Bailey, beat Eminem so badly that the boy suffered a severe head injury.