In Vāyupurāṇa (Vayupurana) it is said that in the sixteenth phase of Dvāpara (Dwapara) Yuga, when Parāśara (Parasara) will be known as Vyāsa (Vyasa), Mahādeva(Mahadeva) will assume the name, Sahiṣṇu (Sahishnu). Āśvalāyana (Aswalayana) will be one of the four sons of of Sahiṣṇu, born at that time.