She was the daughter of Okeanos and Tethys , and with Pallas was also the mother of Zelus , Nike , Cratos , and Bia ( and sometimes Eos ) .
Styx was also the name of the daughter of Oceanus and Tethys . She was wife to Pallas and bore him Zelus , Nike , Kratos and Bia ( and sometimes Eos ) .