Valmiki Ramayana Bala Kanda Sarga 38 Shloka 19
Original Shlokaअथ दीर्घेण कालेन रूपयौवनशालिन:। षष्टि: पुत्रसहस्राणि सगरस्याभवंस्तदा।।1.38.19।।
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अथ then, दीर्घेण कालेन after a lapse of long time, सगरस्य Sagara's, षष्ठि: पुत्रसहस्राणि sixty thousand sons, तदा then, रूपयौवनशालिन: अभवन् became resplendent with beauty and manhood.
Then, after a long time Sagara's sixty thousand sons attained beauty and youth.