arjunaviṣādayoga - Verse śloka 40
śloka 40
kulakṣaye praṇaśyanti kuladharmāḥ sanātanāḥ |
dharme naṣṭe kulaṃ kṛtsnamadharmo'bhibhavatyuta ||1-40||
Translation
With the destruction of the family, the eternal Dharma is destroyed. When Dharma is destroyed, adharma (sin) overwhelms the entire family.