Brahmandapurana 1.36.68

Brahmāṇḍapurāṇa 1.36.68

atreḥ putrasya naptāro hyāraṇyasya prajāpateḥ /
gaṇastu teṣāṃ devānāmekaiko hyaṣṭakaḥ smṛtaḥ //