etat - this; te - unto you; sarvam - all; ākhyātam - explained; yat - which; mām - me; tvam - you; paripṛcchasi - asked; vṛtrasya - of Vṛtrāsura; asura-jāteḥ - whose birth was in a species of asuras; ca - and; kāraṇam - the cause; bhagavat-mateḥ - of exalted intelligence in Kṛṣṇa consciousness.

My dear King Parīkṣit, you inquired from me how Vṛtrāsura, a great devotee, took birth in a demoniac family. Thus I have tried to explain to you everything about this.