This one, endued with prosperity and born in a clump of heath, is incapable of being killed, such is my impression. Then, too, the father, mother and maternal uncle of Ashvathaman did not take their birth in a woman's womb.
शरस्तम्बोद्भवः श्रीमानवध्य इति मे मतिः। अयोनिजास्त्रयो होते पिता माता च मातुलः॥