According to Brahmāṇḍapurāṇa (Brahmandapurana), Āruṇi (Aruni) was one of those who would become Saptarṣi (Saptarshi; Seven Seer-sages) during the time of the third Sāvarṇi(Savarni) Manu , in future. According to Viṣṇupurāṇa (Vishnupurana), this was to be in the future eleventh Manvantara during the time of Dharmasāvarṇi (Dharmasavarni) Manu. This Āruṇi belongs to Atrivaṁśa (Atrivamsa; the genealogical or disciple-wise line of Sage Atri).