Mahabharata 13.62.18

न पृच्छेद्गोत्रचरणं स्वाध्यायं देशमेव वाभिक्षितो ब्राह्मणेनेह जन्म वान्नं प्रयाचितः

na pṛcchedgotracaraṇaṃ svādhyāyaṃ deśameva vābhikṣito brāhmaṇeneha janma vānnaṃ prayācitaḥ

Our plain-language meaning of this verse is waiting for scholar review.