Mahabharata 6.23.42

संकरो नरकायैव कुलघ्नानां कुलस्य चपतन्ति पितरो ह्येषां लुप्तपिण्डोदकक्रियाः

saṃkaro narakāyaiva kulaghnānāṃ kulasya capatanti pitaro hyeṣāṃ luptapiṇḍodakakriyāḥ

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