chunk: Devastated by Sonny's death, Vito moves to end the feuds. Realizing that the Tattaglias are controlled by the now-dominant Don Emilio Barzini, Vito assures the Five Families that he will withdraw his opposition to their heroin business and forgo avenging his son's murder. His safety guaranteed, Michael returns home to enter the family business and marry Kay, who gives birth to two children by the early 1950s.