Shiva Purana
पृथोः पुत्रौ तु जज्ञाते धर्मज्ञौ भुवि पार्थिवौ ॥ विजिताश्वश्च हर्यक्षो महावीरौ सुविश्रुतौ ॥ २४॥
Two virtuous princes, Vivitāsva and Haryakṣa were born to Pṛthu. They were great heroes who had become very famous.
english translation
pRthoH putrau tu jajJAte dharmajJau bhuvi pArthivau ॥ vijitAzvazca haryakSo mahAvIrau suvizrutau ॥ 24॥
hk transliteration by Sanscript