The name Ismene is possibly derived from the Greek word ἰσμή (isme), meaning 'knowledge'. In Greek mythology, Ismene is a Theban princess, the daughter and half-sister of Oedipus, and the sister of Antigone, Eteocles, and Polynices. She appears in several tragic plays by Sophocles, including 'Oedipus Rex', 'Oedipus at Colonus', and 'Antigone', as well as in Aeschylus' 'Seven Against Thebes'. The name carries connotations of wisdom and familial loyalty, reflecting her role in these ancient narrat...