A gotra-originator of the कश्यप dynasty. He was the grandson of महर्षि कश्यप and son of अवत्सर महर्षि . He was one of the six ब्रह्मवादिन्स् of the family of कश्यप the other five being कश्यप , अवत्सर , रैभ्य , असित and देवल . (Vāyu Purāṇa, Chapter 52 • Matsyapurāṇa, Chapter 145) .