Nahush janm katha ( नहुष जन्म कथा) Part-1

The dynasty of Chandravansh was established by Ila, the first child of
Vaivasvata Manu and Pururava, son of Chandraputra Buddh. Ayu, son of
Maharaja Pururava and Apsara Urvashi, took over the kingdom. Ayu was a
judicial and dedicated king who followed Rajdharma the same way as his
father. Even after attaining so much opulence and splendor, the heart of the
king was always saddened as he was childless. He would worry about his
kingdom as without an heir, who would look after his dynasty?