According to Bhāgavatapurāṇa (Bhagavatapurana), Ayuta was the son of Rādhika (Radhika), in the genealogical line of Rājarṣi (Rajarshi; a king with the attributes of a seer) Jahnu.

Bhāgavatpurāṇa Vols. 1-12(9.22.10-11)