Vṛṣṇivaṃśa–Anukīrtana (Enumeration of the Vṛṣṇi Lineage) — Questions on Viṣṇu’s Human Descent
प्रह्लादो निर्जितो युद्धे इन्द्रेणामृतमन्थने / विरोचनस्तु प्राह्लादिर्नित्यमिन्द्रवधोद्यतः
prahlādo nirjito yuddhe indreṇāmṛtamanthane / virocanastu prāhlādirnityamindravadhodyataḥ
In the battle at the churning of the nectar, Indra overcame Prahlāda; and Virocana, Prahlāda’s son, was ever intent on slaying Indra.