Bhagavad-gītā 1.41
BG 1.41
Open the full passageसङ्करो नरकायैव कुलघ्नानां कुलस्य च । पतन्ति पितरो ह्येषां लुप्तपिण्डोदकक्रियाः ॥४१॥
Sanskrit
saṅkaro narakāyaiva kula-ghnānāṁ kulasya ca patanti pitaro hy eṣāṁ lupta-piṇḍodaka-kriyāḥ
Translation
An increase of unwanted population certainly causes hellish life both for the family and for those who destroy the family tradition. The ancestors of such corrupt families fall down, because the performances for offering them food and water are entirely stopped.