Ramayana
एषा मया तव नराधिप राक्षसानामुत्पत्तिरद्य कथिता सकला यथावत् । भूयो निबोध रघुसत्तम रावणस्य जन्मप्रभावमतुलं ससुतस्य सर्वम् ॥ 7-8-28 ॥
O ruler of men, this entire origin of the Rakshasas has now been told by me to you faithfully, just as it was; hear further, O best of the Raghus, all about the unequaled power and birth of Ravana together with his sons.
english translation