Modern scholars have followed Aristotle in noting the importance of philia (kinship or friendship) in Greek tragedy, especially the large number of plots in which kin harm or murder one another. More than half of the thirty-two extant tragedies focus on an act in which harm occurs or is about to occur among philoi who are blood kin. In contrast, Homeric epic tends to avoid the portrayal of harm to kin. It appears, then, that kin killing does not merely...