The vaṁśa(vamsa) of Maharṣi (Maharshi; Great Sage)Asvasthala is one of the ṛṣivaṁśa(s) (rishivamsa; genealogical or disciple-wise order of sages) belonging to the pravara (clan) of Maharṣi Vaśiṣṭha (Vasistha), as mentioned in Matsyapurāṇa (Matsyapurana). The name of Asvasthala is mentioned as a gotrapravartaka (clan-founder) belonging to Vaśiṣṭhavaṁsa.