Damien: Omen II (1978)

Seven years later, Damien Thorn is about to turn 13 and is just discovering who he really is, and what he is destined to do. Now living with his Aunt, Uncle, and cousin in a wealthy suburb of Chicago, Damien is in line to inherit everything from his family. Can Richard Thorn finish the job that Damien's father (Ambassador Robert Thorn) started?