The Great Epic of the Bhārata dynasty 13.49.12

13.49.12

yudhiṣṭhira uvāca |
kṣetrajaṃ kecidevāhuḥ sutaṃ kecittu śukrajam |
tulyāvetau sutau kasya tanme brūhi pitāmaha || 12 ||

"Yudhishthira said, 'Some say that one's son is he that is born in one's soil. Some, on the other hand, say that one's son is he who has been begotten from one's seed. Are both these kinds of sons equal? Whore, again, is the son to be? Do thou tell me this, O grandsire!