One of the sons born of Prajāpati Kaśyapa (Prajapati Kashyapa) to Dakṣa’s (Daksha’s ) daughter Danu. From Aṃśāvataraṇaparva (Angshavataranaparva) of Mahābhārata (Mahabharata) it is known that king Śālva (Shalva) was born as an incarnation of Ajaka dānava (danava; a type of demon) in the Dvāparayuga (Dwaparayuga). Vṛṣaparvā (Vrishaparva), the king of demons, was a famous ruler whose younger brother was Ajaka. He too was a ruler of some kingdom, and was a famous wrestler. King Śālva was born as his incarnation.