A son of अग्नि . अग्नि got of his wife स्वाहा three sons, पावक , पवमान and शुचि . These three brilliant sons got together 45 sons and they were also called अग्निस् . Thus there were 49 अग्निस् made up of the father, his three sons and their 45 sons. पावक had another name also-- महान् [mh-3-219-1 ] Mahābhārata • Vana parva .