Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 18
Sanskrit:
नवमो दक्षसावर्णिर्मनुर्वरुणसम्भव: ।भूतकेतुर्दीप्तकेतुरित्याद्यास्तत्सुता नृप ॥ १८ ॥
ITRANS:
navamo dakṣa-sāvarṇirmanur varuṇa-sambhavaḥbhūtaketur dīptaketurity ādyās tat-sutā nṛpa
Translation:
O King, the ninth Manu will be Dakṣa-sāvarṇi, who is born of Varuṇa. Among his sons will be Bhūtaketu, and Dīptaketu.