Narad said Born in the race of Airavata, he is the chief of the Nagas, named Sumukha, the grandson of Aryaka and on his mother's side he is the grandson of Vamana.
नारद उवाच ऐरावतकुले जात: सुमुखो नाम नागराट्। आर्यकस्य मतः पौत्रो दौहित्रो वामनस्य च॥