The second tradition originates with Demetrius of Scepsis, a grammarian who wrote on Homer and whose hometown was less than 18 km from the site of Marpessos. His account is primarily preserved in the work of the 2nd century CE geographer Pausanias, and it is difficult to tell to what extent the well-traveled Pausanias (a native of Lydia) supplemented Demetrios' account with his own personal experience. The detailed narrative which Pausanias preserves relates that the Sibyl was born at Marpessos prior to the Trojan War and that her mother was a nymph from Mount Ida and her father a mortal. Demetrios gleaned this information from one of her oracles which he preserves: