Mahabharata 8.49.35

सोऽन्धौ च मातापितरौ बिभर्त्यन्यांश्च संश्रितान्स्वधर्मनिरतो नित्यं सत्यवागनसूयकः

so'ndhau ca mātāpitarau bibhartyanyāṃśca saṃśritānsvadharmanirato nityaṃ satyavāganasūyakaḥ

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