Pṛthivī-dohaṇa (The Milking of the Earth) and the Praise of King Pṛthu
प्राचीनबर्हिषं शुक्लं गयं कृष्णं प्रजाचिनौ / प्राचीनबर्हिर्भगवान्महानासीत्प्रजापतिः
prācīnabarhiṣaṃ śuklaṃ gayaṃ kṛṣṇaṃ prajācinau / prācīnabarhirbhagavānmahānāsītprajāpatiḥ
The sons of Prācīnabarhiṣ were Śukla, Gaya, Kṛṣṇa, and Prajācina. Bhagavān Prācīnabarhi himself was a great Prajāpati.