Matsya Purana 244.11

244.11

cintayāmāsa devānāṃ jananī punarudbhavam.
aditirdevamātā ca paramaṃ duścaraṃ tapaḥ .. 244.9 ..

Śaunaka replied :—I shall relate to you in brief the glories of Vâmana and Vârâha ” In the past decade, when Indra was vanquished by the Devas, then Aditi the mother of the Devas began to practise rigid austerities for sons again —8-9