Pururava had a son called Ayush; and Ayush's son was Nahusha. Nahusha had Yayati for his son who was a royal sage equal to a celestial.
पुरूरवस आयुस्तु आयुषो नहुषः सुतः। नहुषस्य ययातिस्तु राजा देवर्षिसम्मतः।