SB 12.12.18
tvastrasya janma-nidhanam
putrayos ca diter dvijah
daityesvarasya caritam
prahradasya mahatmanah
Translation:
O brahmanas, also recounted are the births and deaths of Vrtrasura and of Diti’s sons Hiranyaksa and Hiranyakasipu, as well as the history of the greatest of Diti’s descendants, the exalted soul Prahlada.