Matsyapurana 24.33

24.33

ajījanatsutānaṣṭau nāmatastānnibodhata
āyur dṛḍhāyur aśvāyur dhanāyur dhṛtimānvasuḥ //

After that Urvaśî made Purûrava her lord and on the conclusion of the effects of curses she brought forth the following eight valiant sons:—Ayu, Dridhâyu, Aśwâyu, Dhanâyu, Dhritimân, Vasu, Suchi Vidyâ, and Satâyu. Âyu the eldest of them all became the father of Nahuṣa, Vṛiddhaśarmâ, Raji, Dambha and Vipâpmâ. These five were all heroes.—32-34.