Déjanire
The story is based on "The Trachiniae" by Sophocles ( also the source for Handel's opera "Hercules" ) . 
<triplet> The Trachiniae <subj> Sophocles <obj> author <triplet> Sophocles <subj> The Trachiniae <obj> notable work <triplet> Hercules <subj> The Trachiniae <obj> based on <subj> Handel <obj> composer