Ramayana
सुतस्य यदि मे भार्या ततस्त्वं हि स्नुषा भवेः । बाढमित्येव सा रम्भा प्राह रावणमुत्तरम् ॥ 7-26-32 ॥
"If you were the wife of my son, then indeed you would be my daughter-in-law." To this Rambha answered Ravana, saying only, "Even so it is.
english translation