Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 7
Sanskrit:
षष्ठश्च चक्षुष: पुत्रश्चाक्षुषो नाम वै मनु: ।पूरुपूरुषसुद्युम्नप्रमुखाश्चाक्षुषात्मजा: ॥ ७ ॥
ITRANS:
ṣaṣṭhaś ca cakṣuṣaḥ putraścākṣuṣo nāma vai manuḥpūru-pūruṣa-sudyumna-pramukhāś cākṣuṣātmajāḥ
Translation:
The son of Cakṣu known as Cākṣuṣa was the sixth Manu. He had many sons, headed by Pūru, Pūruṣa and Sudyumna.