Vishnupurana 4.2.9

4.2.9

tasya putraśatapravarā vikukṣinimidaṇḍākhyās trayaḥ putrā |
śakunipramukhāḥ pañcāśat putrāḥ uttarāpatharakṣitāro babhūvuḥ |
catvāriṃśad aṣṭau ca dakṣiṇāpathabhūpālāḥ ||

Ikshwáku was born from the nostril of the Manu, as he happened to sneeze. He had a hundred sons, of whom the three most distinguished were Vikukshi, Nimi, and Dańd́a. Fifty of the rest, under Sakuni, were the protectors of the northern countries. Forty-eight were the princes of the south.