Matsyapurana 51.9

51.9

sa mṛto 'tharvaṇaḥ putro mathitaḥ puṣkarodadhiḥ
yo 'tharvā laukiko hy agnir dakṣiṇāgniḥ sa ucyate //

They are now described and named separately. Pâvana (Pavamâna), the Fire of human beings (Laukika), is the first-begotten of Brahmâ, and Brahmanandana known also as Bharata, was the son of Pavamâna. Havyavâha is also known as Vaiśvânara Agni. He died while carrying Havya offerings to the Gods. He being dead, the son of Atharvan (Aṅgirasa) produced the Fire Puṣkarodadhi (produced by the churning the cloud), which is known as Atharva Alaukika Agni and also as Dakṣiṇa Agni, by non-rubbing.—7-9.