Ganga said: O best of the Bharata race, the son that was formerly born of Varuna, was the Rishi named Vasistha. He was subsequently known by the name of Apava.
गनोवाच यं लेभे वरुणः पुत्रं पुरा भरतसत्तम। वसिष्ठनामा स मुनिः ख्यात आपव इत्युत॥