Mahabharata 13.3.19

स्थाने मतंगो ब्राह्मण्यं नालभद्भरतर्षभचण्डालयोनौ जातो हि कथं ब्राह्मण्यमाप्नुयात्

sthāne mataṃgo brāhmaṇyaṃ nālabhadbharatarṣabhacaṇḍālayonau jāto hi kathaṃ brāhmaṇyamāpnuyāt

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