Atharvaveda 9.10.10

9.10.10

yá īṃ cakā́ra ná só asyá veda yá īṃ dadárśa hírug ín nú tásmāt |
sá mātúr yónā párivīto antár bahuprajā́ nírr̥tir ā́ viveśa ||10||

He who made him knows not of him; [he is] verily out of sight now of him who saw him; he, enveloped within his mother's womb, with his much progeny, entered into perdition (nírṛti).