Gāndharva-lakṣaṇa
Traits/Classification of the Gandharvas) and Royal-Genealogical Continuities (Vamśa-prasaṅga
तस्य व्रतेन भक्त्या च कृपया च प्रतिज्ञया / विश्वामित्रकलत्रं च बभार विनये स्थितः
tasya vratena bhaktyā ca kṛpayā ca pratijñayā / viśvāmitrakalatraṃ ca babhāra vinaye sthitaḥ
By his vow, devotion, compassion, and solemn promise—abiding in humility—he also bore the responsibility of caring for Viśvāmitra’s wife.