Ramayana
रावणं त्वब्रवीन्मन्त्री प्रहस्तो (प्रहसो) नाम वारुणः । गतः खलु महाराजो ब्रह्मलोकं जलेश्वरः ॥ 7-23-51 ॥
Then a minister of Varuna named Prahasta said to Ravana, "The great king, the Lord of the Waters, has indeed gone to the world of Brahma."
english translation