चतुर्युगाख्यान (Caturyuga-Ākhyāna) — Yuga-wise Origins and Measurements of Beings
क्षत्र्रियाणां चरावेतौ विज्ञेयौ मन्त्रवादिनौ / भलन्दनश्च वत्सश्च संकीलश्चैव ते त्रयः
kṣatrriyāṇāṃ carāvetau vijñeyau mantravādinau / bhalandanaśca vatsaśca saṃkīlaścaiva te trayaḥ
Among the Kṣatriyas, these two ‘cara’ (founders of gotra-lines) are to be known as reciters of mantras. Bhalandana, Vatsa, and Saṃkīla—these are the three.