Sāttvata–Vṛṣṇi–Andhaka Vamśa
Genealogical Enumeration of the Yādava Clans
बाहुभ्यामेव गोविन्दो दिवसानेकविंशतिम् / प्रविष्टे च बिलं कृष्णे वसुदेवापुरस्सराः
bāhubhyāmeva govindo divasānekaviṃśatim / praviṣṭe ca bilaṃ kṛṣṇe vasudevāpurassarāḥ
Govinda fought by the strength of his own arms for twenty-one days; when Kṛṣṇa entered the cave, Vasudeva and the others went before and followed him in.