The Romans believed that she was the mother of the giant Cacus.  
The Romans believed that she was the mother of the giant Cacus.  When Heracles came to the underworld to capture Cerberus, the only two spirits who didn't flee from him were those of Meleager and this woman, the daughter of Ceto and Phorcys.  FTP, identify this mythological figure, whose sisters were the immortals Stheno and Euryale, from whose body Chrysaor and Pegasus sprang after she was decapitated by Perseus.
The Romans believed that she was the mother of the giant Cacus.  
Medusa