41.   He was very young when his father was killed.

42.   His father was killed in an accident before he was born, and his mother married Wilford Shumway.

43.   His father was killed in an auto accident before his birth.

44.   His father was killed back in Puerto Rico, his building reeked of alcohol and three of his friends had been murdered in a Bronx drug hit.

45.   His father was killed trying to escape a death march.

46.   His father had been killed in a traffic accident, and the family was destitute.

47.   His father was killed at the front, near Vitebsk, now in Belarus.

48.   His father was killed by Doe.

49.   In Greek mythology, Oedipus railed against his mother, along with the Fates, after he inadvertently slept with her and killed his father.

50.   In the pilot episode, the father gets killed in a car accident and his relatives must mourn and reconstruct him all at once.