Srimad-Bhagavatam: Canto 12 - Chapter 1 - Verse 4
Sanskrit:
शिशुनागस्ततो भाव्य: काकवर्णस्तु तत्सुत: ।क्षेमधर्मा तस्य सुत: क्षेत्रज्ञ: क्षेमधर्मज: ॥ ४ ॥
ITRANS:
śiśunāgas tato bhāvyaḥkākavarṇas tu tat-sutaḥkṣemadharmā tasya sutaḥkṣetrajñaḥ kṣemadharma-jaḥ
Translation:
Nandivardhana will have a son named Śiśunāga, and his son will be known as Kākavarṇa. The son of Kākavarṇa will be Kṣemadharmā, and the son of Kṣemadharmā will be Kṣetrajña.