Mahabharata 13.44.17
असपिण्डा च या मातुरसगोत्रा च या पितुःइत्येतामनुगच्छेत तं धर्मं मनुरब्रवीत्
asapiṇḍā ca yā māturasagotrā ca yā pituḥityetāmanugaccheta taṃ dharmaṃ manurabravīt
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book