Markandeyapurana 52.27

52.27

yo 'sāvagnirabhīmānī brahmaṇastanayo 'grajaḥ /
tasmāt svāhā sutān lebhe trīnudāraujaso dvija //

Agni, who is arrogant, was the eldest son of Brahmā; by him Svāhā[14] begat three sons of exalted vigour, O brāhman, Pāvaka, and Pavamāna, and Śuci who pervades[15] water; but in descent from them were forty and five others. These and the father and his three sons are often spoken of as the invincible and illustrious forty and nine.