Prajāpati-vaṃśānukīrtana — Genealogical Enumeration of Progenitors
Dharma’s Line and the Sādhyas
धरस्य पुत्रो द्रविणो हुतहव्यो रजस् तथा / ध्रुवपुत्रो ऽभवत्तात कालो लोकाप्रकालनः
dharasya putro draviṇo hutahavyo rajas tathā / dhruvaputro 'bhavattāta kālo lokāprakālanaḥ
Dhara’s sons were Dravina, Hutahavya, and Rajas; and Dhruva’s son, dear one, was Kala, the regulator of the worlds.