Below you can find the Jean cocteau wrote the libretto for an opera about this sophoclean heroine ismene's sister Jeopardy Words Answer. The answer to Jean cocteau wrote the libretto for an opera about this sophoclean heroine ismene's sister has 8 letters. This clue belongs to the Mythological operas category and is part of Jeopardy Word Level 1554. If you scroll near the bottom you will find other clues and answers part of level 1554