Viṣṇu-māhātmya-varṇana & Vamśa-prasaṅga
Genealogical Continuation
तत्राङ्गस्य तु राजर्षे राजासीद्दधिवाहनः / सो ऽपराधात्सुदेष्णाया अनपानो ऽभवन्नृपः
tatrāṅgasya tu rājarṣe rājāsīddadhivāhanaḥ / so 'parādhātsudeṣṇāyā anapāno 'bhavannṛpaḥ
O royal seer, there the king of Aṅga was Dadhivāhana; through an offense against Sudeṣṇā, that ruler came to be known as Anapāna.