Valmiki Ramayana Kishkindha Kanda Sarga 62 Shloka 6
Original Shlokaनैऋतो रावणो नाम तस्य भार्यां हरिष्यति। राक्षसेन्द्रो जनस्थनादवध्य स्सुरदानवैः4.62.6।।
1 source checked for this shloka
सुरदानवैः by gods and demons, अवध्यः indestructible, राक्षसेन्द्रो king of demons, रावणो by Ravana, नाम named, जनस्थनात् from Janasthana, नैऋतो in the southwest direction, तस्य his, भार्यां wife, हरिष्यति will be abducting.
'The king of demons, Ravana who is indestructible even by gods and demons will be abducting his wife from Janastahana.