Udayana is the son of King Śatānīka (Satanika) belonging to Kuruvaṁśa (Kuruvamsa; the lineage of Kuru). He was a king whose date was much later than that of Śatānīka, who had been the of Janamejaya, who performed Sarpasatra. Udayana was the son of the later Śatānīka. Udayana had a son called Ahīnara (Ahinara).