E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Ismen (3 syl.)
Daughter of dipus and Jocasta. Antigone was buried alive by the order of King Creon, for burying her brother Polynics, slain in combat by his brother Eteocls. Ismen declared that she had aided her sister, and requested to be allowed to share the same punishment.
Ismen. The lady-love of Ismenias, in the erotic romance of Eustathius or Eumathius entitled Ismene and Ismenias (twelfth century). Translated by God-frey of Viterbo. Especially noteworthy from its being reproduced in the Confessio Amantis of Gower, and forming the plot of Shakespeares Pericles.