Shiva Purana
प्रत्यूषस्य त्वभूत्पुत्र ऋषिर्नाम्ना तु देवलः॥ द्वौ पुत्रौ देवलस्यापि प्रजावन्तौ मनीषिणौ॥ ३०॥
Pratyūṣa’s son was Devala a sage. Devala had two sons who too had children and who were intelligent.
english translation
pratyUSasya tvabhUtputra RSirnAmnA tu devalaH॥ dvau putrau devalasyApi prajAvantau manISiNau॥ 30॥
hk transliteration by Sanscript