In the fourteenth Dvāpara (Dvapara), when Maharṣi (Maharshi; Great Sage) Surakṣa (Suraksha) will be Vyāsa (Vyasa), Lord Śiva (Siva) will be born as Gautama in the vaṁśa (vamsa; lineage) of Maharṣi Aṇgirā (Angira). Ugratapā (Ugratapa) is one of the four sons of Gautama.