One verse

Srimad Bhagavatam 12.1.4

12.1.4

शिशुनागस्ततो भाव्य: काकवर्णस्तु तत्सुत: । क्षेमधर्मा तस्य सुत: क्षेत्रज्ञ: क्षेमधर्मज: ॥ ४ ॥

śiśunāgas tato bhāvyaḥ kākavarṇas tu tat-sutaḥ kṣemadharmā tasya sutaḥ kṣetrajñaḥ kṣemadharma-jaḥ

śiśunāgaḥ
Śiśunāga
tataḥ
then
bhāvyaḥ
will take birth
kākavarṇaḥ
Kākavarṇa
tu
and
tat-sutaḥ
his son
kṣemadharmā
Kṣemadharmā
tasya
of Kākavarṇa
sutaḥ
the son
kṣetrajñaḥ
Kṣetrajña
kṣemadharma-jaḥ
born to Kṣemadharmā

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.