Somavaṃśa-prasavaḥ
Birth of the Lunar Line: Budha–Purūravas and the Urvaśī Episode
विश्वामित्रस्य पुत्राणां शुनःशेफो ऽग्रजः स्मृतः / मधुच्छन्दादयश्चैव कृतदेवौ ध्रुवाष्टकौ
viśvāmitrasya putrāṇāṃ śunaḥśepho 'grajaḥ smṛtaḥ / madhucchandādayaścaiva kṛtadevau dhruvāṣṭakau
Among Viśvāmitra’s sons, Śunaḥśepha is remembered as the eldest. Madhucchanda and the others are named as well, along with Kṛtadeva, Dhruva, and Aṣṭaka.