Vishnu Purana — Amsha 4 — Chapter 21

ViP 4 21.3

ब्रह्मक्षत्रस्य यो योनिर् वंशो राजर्षिसत्कृतः क्षेमकं प्राप्य राजानं स संस्थां प्राप्स्यते कलौ ॥

brahmakṣatrasya yo yonir vaṃśo rājarṣisatkṛtaḥ kṣemakaṃ prāpya rājānaṃ sa saṃsthāṃ prāpsyate kalau //

This lineage, which is the womb of brahman and kṣatra and is honoured by royal sages, on reaching king Kṣemaka will come to its end in the Kali age.

AI translation rendered from the Sanskrit, not a published edition