That Shesha is called by the name of Sankarshana. Sankarshana creates Praddyumna. From Praddyumna I take birth myself as Aniruddha. I Aniruddha. I create (myself) repeatedly.
स हि संकर्षणः प्रोक्तः प्रद्युम्नं सोऽप्यजीजनत्। प्रद्युम्नादनिरुद्धोऽहं सर्गो मम पुनः पुनः॥