Shiva Purana
दित्यां बभूवतुः पुत्रौ कश्यपादिति नः श्रुतम्॥ हिरण्यकशिपुश्चैव हिरण्याक्षश्च वीर्यवान् ॥ १६॥
We have heard that Hiraṇyakaśipu and Hiraṇyākṣa were born as the sons of Diti and Kaśyapa.
english translation
dityAM babhUvatuH putrau kazyapAditi naH zrutam॥ hiraNyakazipuzcaiva hiraNyAkSazca vIryavAn ॥ 16॥
hk transliteration by Sanscript