My dear King Yudhiṣṭhira, the demon Hiraṇyakaśipu tormented this exalted, fortunate devotee, although Prahlāda was his own son.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
तस्मिन् महाभागवते महाभागे महात्मनि । हिरण्यकशिपू राजन्नकरोदघमात्मजे
tasmin mahābhāgavate mahābhāge mahātmani | hiraṇyakaśipū rājannakarodaghamātmaje
SB 7.4.43