The Probert Encyclopaedia of Greek & Roman Mythology

STYX

In Greek and Roman mythology, the Styx was the principal river in the underworld. Styx was the name of a nymph who was the daughter of Oceanus and Tethys. She dwelt at the entrance to Hades in a lofty grotto which was supported by silver columns. Styx took her children to help Zeus in the fight against the Titans.
Research Styx