 However, Svetambaras generally believe that he was conceived by Devananda, the wife of a Brahmin Rishabhadatta and was transferred to Trishala's womb by Indra because all Tirthankaras have to be Kshatriyas.All this is mentioned in the Svetambara text, "Kalpa sutra", which is primarily a biography of the Tirthankaras.According to the Jain scriptures, the mother of "Tirthankaras" see a number of auspicious dreams when the embryo is enliven through the descent of the life (soul) in the mortal body.