Some of the lineages were known in the name of the sage Parāśara (Parasara), the father of Kṛṣṇa (Krishna) Dwaipāyana (Dwaipayana) Vyāsa (Vyasa). A number of vargas or groups were created consisting of a number of sons belonging to the Parāśara (Parasara) lineages. These groups were indicated as Goura-Parāśara (Parasara), Nīla-Parāśara (Nila-Parasara),Kṛṣṇa-Parāśara (Krishna-Parasara),Śweta-Parāśara (Sweta-Parasara),Śyāma-Parāśara (Syama-Parasara) and Dhūmra-Parāśara (Dhumra-Parasara). Upaya was one of the sons who were mentioned as Śweta-Parāśara (Sweta-Parasara) and whose father was the sage Parāśara (Parasara).