Valmiki Ramayana Ayodhya Kanda Sarga 118 Shloka 31
Original Shlokaअन्तरिक्षे च वागुक्ताऽप्रतिमाऽमानुषी किल। एवमेतन्नरपते धर्मेण तनया तव।।2.118.31।।
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नरपते O king, एतत् this, एवम् in this way, अप्रतिमा incomparable, अमानुषी not a human being, तव to you, धर्मेण by right, तनया daughter, अन्तरिक्षे from out of the sky, वाक् word, उक्ता was uttered.
'O king, she is an incomparable divine being. By right she is your daughter'. These were the words (Janaka) heard from out of the sky.