Srimad-Bhagavatam: Canto 6 - Chapter 1 - Verse 41
Sanskrit:
छाया शनैश्चरं लेभे सावर्णिं च मनुं तत: ।कन्यां च तपतीं या वै वव्रे संवरणं पतिम् ॥ ४१ ॥
ITRANS:
chāyā śanaiścaraṁ lebhesāvarṇiṁ ca manuṁ tataḥkanyāṁ ca tapatīṁ yā vaivavre saṁvaraṇaṁ patim
Translation:
Chāyā, another wife of the sun-god, begot two sons named Śanaiścara and Sāvarṇi Manu, and one daughter, Tapatī, who married Saṁvaraṇa.