Brahma Purana 229.49

Brahmapurāṇa 229.49

athābhavad bhūmipateḥ sudharmaṇaḥ
kāśīśvareṇātha samaṃ suyuddham
tatra kṣayaṃ prāpya saputrapautraṃ
vidarbharāṭ kāśipatiś ca yuddhe